Home / 10,347.38-15,524.72-4,421.75

Finding the Fourth Proportional to 10,347.38, 15,524.72 and 4,421.75

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Solution

The fourth proportional to 10,347.38, 15,524.72 and 4,421.75 is: 6,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.38 : 15,524.72 = 4,421.75 : x
  2. Step 2: Convert to fraction form
    10,347.38/15,524.72 = 4,421.75/x
  3. Step 3: Cross multiply
    10,347.38x = 15,524.72 × 4,421.75
  4. Step 4: Simplify right side
    10,347.38x = 68,646,330.93
  5. Step 5: Solve for x
    x = 68,646,330.93/10,347.38
  6. Step 6: Final answer
    x = 6,634.18

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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.