Home / 10,985.28-16,470.24-6,604.48

Finding the Fourth Proportional to 10,985.28, 16,470.24 and 6,604.48

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Solution

The fourth proportional to 10,985.28, 16,470.24 and 6,604.48 is: 9,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.28 : 16,470.24 = 6,604.48 : x
  2. Step 2: Convert to fraction form
    10,985.28/16,470.24 = 6,604.48/x
  3. Step 3: Cross multiply
    10,985.28x = 16,470.24 × 6,604.48
  4. Step 4: Simplify right side
    10,985.28x = 108,777,370.68
  5. Step 5: Solve for x
    x = 108,777,370.68/10,985.28
  6. Step 6: Final answer
    x = 9,902.10

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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.