Home / 13,304.50-19,949.70-5,905.74

Finding the Fourth Proportional to 13,304.50, 19,949.70 and 5,905.74

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Solution

The fourth proportional to 13,304.50, 19,949.70 and 5,905.74 is: 8,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.50 : 19,949.70 = 5,905.74 : x
  2. Step 2: Convert to fraction form
    13,304.50/19,949.70 = 5,905.74/x
  3. Step 3: Cross multiply
    13,304.50x = 19,949.70 × 5,905.74
  4. Step 4: Simplify right side
    13,304.50x = 117,817,741.28
  5. Step 5: Solve for x
    x = 117,817,741.28/13,304.50
  6. Step 6: Final answer
    x = 8,855.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.