Home / 18,950.92-26,140.80-12,225.76

Finding the Fourth Proportional to 18,950.92, 26,140.80 and 12,225.76

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Solution

The fourth proportional to 18,950.92, 26,140.80 and 12,225.76 is: 16,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.92 : 26,140.80 = 12,225.76 : x
  2. Step 2: Convert to fraction form
    18,950.92/26,140.80 = 12,225.76/x
  3. Step 3: Cross multiply
    18,950.92x = 26,140.80 × 12,225.76
  4. Step 4: Simplify right side
    18,950.92x = 319,591,147.01
  5. Step 5: Solve for x
    x = 319,591,147.01/18,950.92
  6. Step 6: Final answer
    x = 16,864.15

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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.