Home / 19,358.60-29,037.90-14,979.20

Finding the Fourth Proportional to 19,358.60, 29,037.90 and 14,979.20

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Solution

The fourth proportional to 19,358.60, 29,037.90 and 14,979.20 is: 22,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.60 : 29,037.90 = 14,979.20 : x
  2. Step 2: Convert to fraction form
    19,358.60/29,037.90 = 14,979.20/x
  3. Step 3: Cross multiply
    19,358.60x = 29,037.90 × 14,979.20
  4. Step 4: Simplify right side
    19,358.60x = 434,964,511.68
  5. Step 5: Solve for x
    x = 434,964,511.68/19,358.60
  6. Step 6: Final answer
    x = 22,468.80

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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.