Home / 10,613.52-15,890.76-6,384.24

Finding the Fourth Proportional to 10,613.52, 15,890.76 and 6,384.24

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Solution

The fourth proportional to 10,613.52, 15,890.76 and 6,384.24 is: 9,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.52 : 15,890.76 = 6,384.24 : x
  2. Step 2: Convert to fraction form
    10,613.52/15,890.76 = 6,384.24/x
  3. Step 3: Cross multiply
    10,613.52x = 15,890.76 × 6,384.24
  4. Step 4: Simplify right side
    10,613.52x = 101,450,425.62
  5. Step 5: Solve for x
    x = 101,450,425.62/10,613.52
  6. Step 6: Final answer
    x = 9,558.60

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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.