Home / 10,615.08-15,904.11-6,446.28

Finding the Fourth Proportional to 10,615.08, 15,904.11 and 6,446.28

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Solution

The fourth proportional to 10,615.08, 15,904.11 and 6,446.28 is: 9,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.08 : 15,904.11 = 6,446.28 : x
  2. Step 2: Convert to fraction form
    10,615.08/15,904.11 = 6,446.28/x
  3. Step 3: Cross multiply
    10,615.08x = 15,904.11 × 6,446.28
  4. Step 4: Simplify right side
    10,615.08x = 102,522,346.21
  5. Step 5: Solve for x
    x = 102,522,346.21/10,615.08
  6. Step 6: Final answer
    x = 9,658.18

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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.