Home / 18,966.83-28,467.45-9,613.35

Finding the Fourth Proportional to 18,966.83, 28,467.45 and 9,613.35

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Solution

The fourth proportional to 18,966.83, 28,467.45 and 9,613.35 is: 14,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.83 : 28,467.45 = 9,613.35 : x
  2. Step 2: Convert to fraction form
    18,966.83/28,467.45 = 9,613.35/x
  3. Step 3: Cross multiply
    18,966.83x = 28,467.45 × 9,613.35
  4. Step 4: Simplify right side
    18,966.83x = 273,667,560.46
  5. Step 5: Solve for x
    x = 273,667,560.46/18,966.83
  6. Step 6: Final answer
    x = 14,428.75

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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.