Home / 18,930.08-26,123.16-10,432.99

Finding the Fourth Proportional to 18,930.08, 26,123.16 and 10,432.99

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Solution

The fourth proportional to 18,930.08, 26,123.16 and 10,432.99 is: 14,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930.08 : 26,123.16 = 10,432.99 : x
  2. Step 2: Convert to fraction form
    18,930.08/26,123.16 = 10,432.99/x
  3. Step 3: Cross multiply
    18,930.08x = 26,123.16 × 10,432.99
  4. Step 4: Simplify right side
    18,930.08x = 272,542,667.05
  5. Step 5: Solve for x
    x = 272,542,667.05/18,930.08
  6. Step 6: Final answer
    x = 14,397.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.