Home / 15,433.55-23,084.39-12,885.15

Finding the Fourth Proportional to 15,433.55, 23,084.39 and 12,885.15

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Solution

The fourth proportional to 15,433.55, 23,084.39 and 12,885.15 is: 19,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433.55 : 23,084.39 = 12,885.15 : x
  2. Step 2: Convert to fraction form
    15,433.55/23,084.39 = 12,885.15/x
  3. Step 3: Cross multiply
    15,433.55x = 23,084.39 × 12,885.15
  4. Step 4: Simplify right side
    15,433.55x = 297,445,763.38
  5. Step 5: Solve for x
    x = 297,445,763.38/15,433.55
  6. Step 6: Final answer
    x = 19,272.68

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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.