Home / 19,824.90-29,734.47-5,781.17

Finding the Fourth Proportional to 19,824.90, 29,734.47 and 5,781.17

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Solution

The fourth proportional to 19,824.90, 29,734.47 and 5,781.17 is: 8,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.90 : 29,734.47 = 5,781.17 : x
  2. Step 2: Convert to fraction form
    19,824.90/29,734.47 = 5,781.17/x
  3. Step 3: Cross multiply
    19,824.90x = 29,734.47 × 5,781.17
  4. Step 4: Simplify right side
    19,824.90x = 171,899,877.26
  5. Step 5: Solve for x
    x = 171,899,877.26/19,824.90
  6. Step 6: Final answer
    x = 8,670.91

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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.