Home / 15,931.40-23,864.70-8,144.60

Finding the Fourth Proportional to 15,931.40, 23,864.70 and 8,144.60

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Solution

The fourth proportional to 15,931.40, 23,864.70 and 8,144.60 is: 12,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.40 : 23,864.70 = 8,144.60 : x
  2. Step 2: Convert to fraction form
    15,931.40/23,864.70 = 8,144.60/x
  3. Step 3: Cross multiply
    15,931.40x = 23,864.70 × 8,144.60
  4. Step 4: Simplify right side
    15,931.40x = 194,368,435.62
  5. Step 5: Solve for x
    x = 194,368,435.62/15,931.40
  6. Step 6: Final answer
    x = 12,200.34

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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.