Home / 21,245.18-31,867.50-9,550.13

Finding the Fourth Proportional to 21,245.18, 31,867.50 and 9,550.13

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Solution

The fourth proportional to 21,245.18, 31,867.50 and 9,550.13 is: 14,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,245.18 : 31,867.50 = 9,550.13 : x
  2. Step 2: Convert to fraction form
    21,245.18/31,867.50 = 9,550.13/x
  3. Step 3: Cross multiply
    21,245.18x = 31,867.50 × 9,550.13
  4. Step 4: Simplify right side
    21,245.18x = 304,338,767.78
  5. Step 5: Solve for x
    x = 304,338,767.78/21,245.18
  6. Step 6: Final answer
    x = 14,325.07

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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.