Home / 10,473.38-14,438.40-8,330.12

Finding the Fourth Proportional to 10,473.38, 14,438.40 and 8,330.12

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Solution

The fourth proportional to 10,473.38, 14,438.40 and 8,330.12 is: 11,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.38 : 14,438.40 = 8,330.12 : x
  2. Step 2: Convert to fraction form
    10,473.38/14,438.40 = 8,330.12/x
  3. Step 3: Cross multiply
    10,473.38x = 14,438.40 × 8,330.12
  4. Step 4: Simplify right side
    10,473.38x = 120,273,609.47
  5. Step 5: Solve for x
    x = 120,273,609.47/10,473.38
  6. Step 6: Final answer
    x = 11,483.74

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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.