Home / 15,292.38-22,938.60-12,316.89

Finding the Fourth Proportional to 15,292.38, 22,938.60 and 12,316.89

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Solution

The fourth proportional to 15,292.38, 22,938.60 and 12,316.89 is: 18,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.38 : 22,938.60 = 12,316.89 : x
  2. Step 2: Convert to fraction form
    15,292.38/22,938.60 = 12,316.89/x
  3. Step 3: Cross multiply
    15,292.38x = 22,938.60 × 12,316.89
  4. Step 4: Simplify right side
    15,292.38x = 282,532,212.95
  5. Step 5: Solve for x
    x = 282,532,212.95/15,292.38
  6. Step 6: Final answer
    x = 18,475.36

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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.