Home / 8,868.30-13,302.45-7,442.70

Finding the Fourth Proportional to 8,868.30, 13,302.45 and 7,442.70

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Solution

The fourth proportional to 8,868.30, 13,302.45 and 7,442.70 is: 11,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.30 : 13,302.45 = 7,442.70 : x
  2. Step 2: Convert to fraction form
    8,868.30/13,302.45 = 7,442.70/x
  3. Step 3: Cross multiply
    8,868.30x = 13,302.45 × 7,442.70
  4. Step 4: Simplify right side
    8,868.30x = 99,006,144.62
  5. Step 5: Solve for x
    x = 99,006,144.62/8,868.30
  6. Step 6: Final answer
    x = 11,164.05

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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.