Home / 19,407.50-29,115.56-10,637.90

Finding the Fourth Proportional to 19,407.50, 29,115.56 and 10,637.90

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Solution

The fourth proportional to 19,407.50, 29,115.56 and 10,637.90 is: 15,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.50 : 29,115.56 = 10,637.90 : x
  2. Step 2: Convert to fraction form
    19,407.50/29,115.56 = 10,637.90/x
  3. Step 3: Cross multiply
    19,407.50x = 29,115.56 × 10,637.90
  4. Step 4: Simplify right side
    19,407.50x = 309,728,415.72
  5. Step 5: Solve for x
    x = 309,728,415.72/19,407.50
  6. Step 6: Final answer
    x = 15,959.21

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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.