Home / 19,387.05-29,057.11-8,842.64

Finding the Fourth Proportional to 19,387.05, 29,057.11 and 8,842.64

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Solution

The fourth proportional to 19,387.05, 29,057.11 and 8,842.64 is: 13,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.05 : 29,057.11 = 8,842.64 : x
  2. Step 2: Convert to fraction form
    19,387.05/29,057.11 = 8,842.64/x
  3. Step 3: Cross multiply
    19,387.05x = 29,057.11 × 8,842.64
  4. Step 4: Simplify right side
    19,387.05x = 256,941,563.17
  5. Step 5: Solve for x
    x = 256,941,563.17/19,387.05
  6. Step 6: Final answer
    x = 13,253.26

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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.