Home / 18,267.86-27,400.02-12,382.57

Finding the Fourth Proportional to 18,267.86, 27,400.02 and 12,382.57

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Solution

The fourth proportional to 18,267.86, 27,400.02 and 12,382.57 is: 18,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.86 : 27,400.02 = 12,382.57 : x
  2. Step 2: Convert to fraction form
    18,267.86/27,400.02 = 12,382.57/x
  3. Step 3: Cross multiply
    18,267.86x = 27,400.02 × 12,382.57
  4. Step 4: Simplify right side
    18,267.86x = 339,282,535.24
  5. Step 5: Solve for x
    x = 339,282,535.24/18,267.86
  6. Step 6: Final answer
    x = 18,572.65

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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.