Home / 20,671.56-31,000.04-9,576.18

Finding the Fourth Proportional to 20,671.56, 31,000.04 and 9,576.18

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Solution

The fourth proportional to 20,671.56, 31,000.04 and 9,576.18 is: 14,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671.56 : 31,000.04 = 9,576.18 : x
  2. Step 2: Convert to fraction form
    20,671.56/31,000.04 = 9,576.18/x
  3. Step 3: Cross multiply
    20,671.56x = 31,000.04 × 9,576.18
  4. Step 4: Simplify right side
    20,671.56x = 296,861,963.05
  5. Step 5: Solve for x
    x = 296,861,963.05/20,671.56
  6. Step 6: Final answer
    x = 14,360.89

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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.