Home / 13,304.58-18,354.51-7,996.34

Finding the Fourth Proportional to 13,304.58, 18,354.51 and 7,996.34

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Solution

The fourth proportional to 13,304.58, 18,354.51 and 7,996.34 is: 11,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.58 : 18,354.51 = 7,996.34 : x
  2. Step 2: Convert to fraction form
    13,304.58/18,354.51 = 7,996.34/x
  3. Step 3: Cross multiply
    13,304.58x = 18,354.51 × 7,996.34
  4. Step 4: Simplify right side
    13,304.58x = 146,768,810.72
  5. Step 5: Solve for x
    x = 146,768,810.72/13,304.58
  6. Step 6: Final answer
    x = 11,031.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.