Home / 19,909.28-29,882.37-10,055.47

Finding the Fourth Proportional to 19,909.28, 29,882.37 and 10,055.47

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Solution

The fourth proportional to 19,909.28, 29,882.37 and 10,055.47 is: 15,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.28 : 29,882.37 = 10,055.47 : x
  2. Step 2: Convert to fraction form
    19,909.28/29,882.37 = 10,055.47/x
  3. Step 3: Cross multiply
    19,909.28x = 29,882.37 × 10,055.47
  4. Step 4: Simplify right side
    19,909.28x = 300,481,125.65
  5. Step 5: Solve for x
    x = 300,481,125.65/19,909.28
  6. Step 6: Final answer
    x = 15,092.52

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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.