Home / 19,773.90-29,617.65-15,356.70

Finding the Fourth Proportional to 19,773.90, 29,617.65 and 15,356.70

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Solution

The fourth proportional to 19,773.90, 29,617.65 and 15,356.70 is: 23,001.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.90 : 29,617.65 = 15,356.70 : x
  2. Step 2: Convert to fraction form
    19,773.90/29,617.65 = 15,356.70/x
  3. Step 3: Cross multiply
    19,773.90x = 29,617.65 × 15,356.70
  4. Step 4: Simplify right side
    19,773.90x = 454,829,365.76
  5. Step 5: Solve for x
    x = 454,829,365.76/19,773.90
  6. Step 6: Final answer
    x = 23,001.50

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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.