Home / 10,659.55-14,719.47-6,687.52

Finding the Fourth Proportional to 10,659.55, 14,719.47 and 6,687.52

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Solution

The fourth proportional to 10,659.55, 14,719.47 and 6,687.52 is: 9,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.55 : 14,719.47 = 6,687.52 : x
  2. Step 2: Convert to fraction form
    10,659.55/14,719.47 = 6,687.52/x
  3. Step 3: Cross multiply
    10,659.55x = 14,719.47 × 6,687.52
  4. Step 4: Simplify right side
    10,659.55x = 98,436,750.01
  5. Step 5: Solve for x
    x = 98,436,750.01/10,659.55
  6. Step 6: Final answer
    x = 9,234.61

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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.