Home / 10,325.24-14,248.38-5,609.40

Finding the Fourth Proportional to 10,325.24, 14,248.38 and 5,609.40

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Solution

The fourth proportional to 10,325.24, 14,248.38 and 5,609.40 is: 7,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.24 : 14,248.38 = 5,609.40 : x
  2. Step 2: Convert to fraction form
    10,325.24/14,248.38 = 5,609.40/x
  3. Step 3: Cross multiply
    10,325.24x = 14,248.38 × 5,609.40
  4. Step 4: Simplify right side
    10,325.24x = 79,924,862.77
  5. Step 5: Solve for x
    x = 79,924,862.77/10,325.24
  6. Step 6: Final answer
    x = 7,740.73

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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.