Home / 15,938.10-23,896.35-8,442.90

Finding the Fourth Proportional to 15,938.10, 23,896.35 and 8,442.90

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Solution

The fourth proportional to 15,938.10, 23,896.35 and 8,442.90 is: 12,658.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938.10 : 23,896.35 = 8,442.90 : x
  2. Step 2: Convert to fraction form
    15,938.10/23,896.35 = 8,442.90/x
  3. Step 3: Cross multiply
    15,938.10x = 23,896.35 × 8,442.90
  4. Step 4: Simplify right side
    15,938.10x = 201,754,493.42
  5. Step 5: Solve for x
    x = 201,754,493.42/15,938.10
  6. Step 6: Final answer
    x = 12,658.63

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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.