Home / 10,417.92-15,628.68-4,575.12

Finding the Fourth Proportional to 10,417.92, 15,628.68 and 4,575.12

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Solution

The fourth proportional to 10,417.92, 15,628.68 and 4,575.12 is: 6,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.92 : 15,628.68 = 4,575.12 : x
  2. Step 2: Convert to fraction form
    10,417.92/15,628.68 = 4,575.12/x
  3. Step 3: Cross multiply
    10,417.92x = 15,628.68 × 4,575.12
  4. Step 4: Simplify right side
    10,417.92x = 71,503,086.44
  5. Step 5: Solve for x
    x = 71,503,086.44/10,417.92
  6. Step 6: Final answer
    x = 6,863.47

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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.