Home / 11,017.80-16,502.40-6,627.60

Finding the Fourth Proportional to 11,017.80, 16,502.40 and 6,627.60

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Solution

The fourth proportional to 11,017.80, 16,502.40 and 6,627.60 is: 9,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.80 : 16,502.40 = 6,627.60 : x
  2. Step 2: Convert to fraction form
    11,017.80/16,502.40 = 6,627.60/x
  3. Step 3: Cross multiply
    11,017.80x = 16,502.40 × 6,627.60
  4. Step 4: Simplify right side
    11,017.80x = 109,371,306.24
  5. Step 5: Solve for x
    x = 109,371,306.24/11,017.80
  6. Step 6: Final answer
    x = 9,926.78

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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.