Home / 10,668.02-15,985.11-7,732.58

Finding the Fourth Proportional to 10,668.02, 15,985.11 and 7,732.58

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Solution

The fourth proportional to 10,668.02, 15,985.11 and 7,732.58 is: 11,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.02 : 15,985.11 = 7,732.58 : x
  2. Step 2: Convert to fraction form
    10,668.02/15,985.11 = 7,732.58/x
  3. Step 3: Cross multiply
    10,668.02x = 15,985.11 × 7,732.58
  4. Step 4: Simplify right side
    10,668.02x = 123,606,141.88
  5. Step 5: Solve for x
    x = 123,606,141.88/10,668.02
  6. Step 6: Final answer
    x = 11,586.61

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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.