Home / 19,387.19-29,057.28-8,842.77

Finding the Fourth Proportional to 19,387.19, 29,057.28 and 8,842.77

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Solution

The fourth proportional to 19,387.19, 29,057.28 and 8,842.77 is: 13,253.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.19 : 29,057.28 = 8,842.77 : x
  2. Step 2: Convert to fraction form
    19,387.19/29,057.28 = 8,842.77/x
  3. Step 3: Cross multiply
    19,387.19x = 29,057.28 × 8,842.77
  4. Step 4: Simplify right side
    19,387.19x = 256,946,843.87
  5. Step 5: Solve for x
    x = 256,946,843.87/19,387.19
  6. Step 6: Final answer
    x = 13,253.44

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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.