Home / 12,522.48-17,266.35-9,996.49

Finding the Fourth Proportional to 12,522.48, 17,266.35 and 9,996.49

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Solution

The fourth proportional to 12,522.48, 17,266.35 and 9,996.49 is: 13,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.48 : 17,266.35 = 9,996.49 : x
  2. Step 2: Convert to fraction form
    12,522.48/17,266.35 = 9,996.49/x
  3. Step 3: Cross multiply
    12,522.48x = 17,266.35 × 9,996.49
  4. Step 4: Simplify right side
    12,522.48x = 172,602,954.18
  5. Step 5: Solve for x
    x = 172,602,954.18/12,522.48
  6. Step 6: Final answer
    x = 13,783.45

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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.