Home / 20,962.02-31,432.21-6,169.02

Finding the Fourth Proportional to 20,962.02, 31,432.21 and 6,169.02

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Solution

The fourth proportional to 20,962.02, 31,432.21 and 6,169.02 is: 9,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962.02 : 31,432.21 = 6,169.02 : x
  2. Step 2: Convert to fraction form
    20,962.02/31,432.21 = 6,169.02/x
  3. Step 3: Cross multiply
    20,962.02x = 31,432.21 × 6,169.02
  4. Step 4: Simplify right side
    20,962.02x = 193,905,932.13
  5. Step 5: Solve for x
    x = 193,905,932.13/20,962.02
  6. Step 6: Final answer
    x = 9,250.35

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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.