Home / 20,923.18-31,384.77-6,132.10

Finding the Fourth Proportional to 20,923.18, 31,384.77 and 6,132.10

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Solution

The fourth proportional to 20,923.18, 31,384.77 and 6,132.10 is: 9,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,923.18 : 31,384.77 = 6,132.10 : x
  2. Step 2: Convert to fraction form
    20,923.18/31,384.77 = 6,132.10/x
  3. Step 3: Cross multiply
    20,923.18x = 31,384.77 × 6,132.10
  4. Step 4: Simplify right side
    20,923.18x = 192,454,548.12
  5. Step 5: Solve for x
    x = 192,454,548.12/20,923.18
  6. Step 6: Final answer
    x = 9,198.15

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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.