Home / 10,885.28-15,020.92-6,104.86

Finding the Fourth Proportional to 10,885.28, 15,020.92 and 6,104.86

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Solution

The fourth proportional to 10,885.28, 15,020.92 and 6,104.86 is: 8,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.28 : 15,020.92 = 6,104.86 : x
  2. Step 2: Convert to fraction form
    10,885.28/15,020.92 = 6,104.86/x
  3. Step 3: Cross multiply
    10,885.28x = 15,020.92 × 6,104.86
  4. Step 4: Simplify right side
    10,885.28x = 91,700,598.41
  5. Step 5: Solve for x
    x = 91,700,598.41/10,885.28
  6. Step 6: Final answer
    x = 8,424.28

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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.