Home / 15,961.68-23,939.45-9,380.18

Finding the Fourth Proportional to 15,961.68, 23,939.45 and 9,380.18

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Solution

The fourth proportional to 15,961.68, 23,939.45 and 9,380.18 is: 14,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.68 : 23,939.45 = 9,380.18 : x
  2. Step 2: Convert to fraction form
    15,961.68/23,939.45 = 9,380.18/x
  3. Step 3: Cross multiply
    15,961.68x = 23,939.45 × 9,380.18
  4. Step 4: Simplify right side
    15,961.68x = 224,556,330.89
  5. Step 5: Solve for x
    x = 224,556,330.89/15,961.68
  6. Step 6: Final answer
    x = 14,068.46

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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.