Home / 10,659.28-15,990.48-3,732.16

Finding the Fourth Proportional to 10,659.28, 15,990.48 and 3,732.16

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Solution

The fourth proportional to 10,659.28, 15,990.48 and 3,732.16 is: 5,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.28 : 15,990.48 = 3,732.16 : x
  2. Step 2: Convert to fraction form
    10,659.28/15,990.48 = 3,732.16/x
  3. Step 3: Cross multiply
    10,659.28x = 15,990.48 × 3,732.16
  4. Step 4: Simplify right side
    10,659.28x = 59,679,029.84
  5. Step 5: Solve for x
    x = 59,679,029.84/10,659.28
  6. Step 6: Final answer
    x = 5,598.79

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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.