Home / 15,618.72-23,431.53-7,294.20

Finding the Fourth Proportional to 15,618.72, 23,431.53 and 7,294.20

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Solution

The fourth proportional to 15,618.72, 23,431.53 and 7,294.20 is: 10,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.72 : 23,431.53 = 7,294.20 : x
  2. Step 2: Convert to fraction form
    15,618.72/23,431.53 = 7,294.20/x
  3. Step 3: Cross multiply
    15,618.72x = 23,431.53 × 7,294.20
  4. Step 4: Simplify right side
    15,618.72x = 170,914,266.13
  5. Step 5: Solve for x
    x = 170,914,266.13/15,618.72
  6. Step 6: Final answer
    x = 10,942.91

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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.