Home / 19,828.80-29,711.61-10,468.44

Finding the Fourth Proportional to 19,828.80, 29,711.61 and 10,468.44

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Solution

The fourth proportional to 19,828.80, 29,711.61 and 10,468.44 is: 15,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.80 : 29,711.61 = 10,468.44 : x
  2. Step 2: Convert to fraction form
    19,828.80/29,711.61 = 10,468.44/x
  3. Step 3: Cross multiply
    19,828.80x = 29,711.61 × 10,468.44
  4. Step 4: Simplify right side
    19,828.80x = 311,034,206.59
  5. Step 5: Solve for x
    x = 311,034,206.59/19,828.80
  6. Step 6: Final answer
    x = 15,685.98

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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.