Home / 15,120.59-22,686.08-6,806.43

Finding the Fourth Proportional to 15,120.59, 22,686.08 and 6,806.43

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Solution

The fourth proportional to 15,120.59, 22,686.08 and 6,806.43 is: 10,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.59 : 22,686.08 = 6,806.43 : x
  2. Step 2: Convert to fraction form
    15,120.59/22,686.08 = 6,806.43/x
  3. Step 3: Cross multiply
    15,120.59x = 22,686.08 × 6,806.43
  4. Step 4: Simplify right side
    15,120.59x = 154,411,181.46
  5. Step 5: Solve for x
    x = 154,411,181.46/15,120.59
  6. Step 6: Final answer
    x = 10,211.98

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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.