Home / 18,309.45-25,267.07-9,925.95

Finding the Fourth Proportional to 18,309.45, 25,267.07 and 9,925.95

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Solution

The fourth proportional to 18,309.45, 25,267.07 and 9,925.95 is: 13,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.45 : 25,267.07 = 9,925.95 : x
  2. Step 2: Convert to fraction form
    18,309.45/25,267.07 = 9,925.95/x
  3. Step 3: Cross multiply
    18,309.45x = 25,267.07 × 9,925.95
  4. Step 4: Simplify right side
    18,309.45x = 250,799,673.47
  5. Step 5: Solve for x
    x = 250,799,673.47/18,309.45
  6. Step 6: Final answer
    x = 13,697.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.