Home / 18,358.52-25,335.72-10,402.29

Finding the Fourth Proportional to 18,358.52, 25,335.72 and 10,402.29

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Solution

The fourth proportional to 18,358.52, 25,335.72 and 10,402.29 is: 14,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.52 : 25,335.72 = 10,402.29 : x
  2. Step 2: Convert to fraction form
    18,358.52/25,335.72 = 10,402.29/x
  3. Step 3: Cross multiply
    18,358.52x = 25,335.72 × 10,402.29
  4. Step 4: Simplify right side
    18,358.52x = 263,549,506.80
  5. Step 5: Solve for x
    x = 263,549,506.80/18,358.52
  6. Step 6: Final answer
    x = 14,355.71

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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.