Home / 15,211.90-22,808.13-6,442.30

Finding the Fourth Proportional to 15,211.90, 22,808.13 and 6,442.30

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Solution

The fourth proportional to 15,211.90, 22,808.13 and 6,442.30 is: 9,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211.90 : 22,808.13 = 6,442.30 : x
  2. Step 2: Convert to fraction form
    15,211.90/22,808.13 = 6,442.30/x
  3. Step 3: Cross multiply
    15,211.90x = 22,808.13 × 6,442.30
  4. Step 4: Simplify right side
    15,211.90x = 146,936,815.90
  5. Step 5: Solve for x
    x = 146,936,815.90/15,211.90
  6. Step 6: Final answer
    x = 9,659.33

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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.