Home / 11,168.40-16,753.00-5,618.72

Finding the Fourth Proportional to 11,168.40, 16,753.00 and 5,618.72

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Solution

The fourth proportional to 11,168.40, 16,753.00 and 5,618.72 is: 8,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.40 : 16,753.00 = 5,618.72 : x
  2. Step 2: Convert to fraction form
    11,168.40/16,753.00 = 5,618.72/x
  3. Step 3: Cross multiply
    11,168.40x = 16,753.00 × 5,618.72
  4. Step 4: Simplify right side
    11,168.40x = 94,130,454.53
  5. Step 5: Solve for x
    x = 94,130,454.53/11,168.40
  6. Step 6: Final answer
    x = 8,428.29

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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.