Home / 11,126.80-16,690.20-3,732.40

Finding the Fourth Proportional to 11,126.80, 16,690.20 and 3,732.40

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Solution

The fourth proportional to 11,126.80, 16,690.20 and 3,732.40 is: 5,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.80 : 16,690.20 = 3,732.40 : x
  2. Step 2: Convert to fraction form
    11,126.80/16,690.20 = 3,732.40/x
  3. Step 3: Cross multiply
    11,126.80x = 16,690.20 × 3,732.40
  4. Step 4: Simplify right side
    11,126.80x = 62,294,502.48
  5. Step 5: Solve for x
    x = 62,294,502.48/11,126.80
  6. Step 6: Final answer
    x = 5,598.60

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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.