Home / 18,384.06-27,560.52-8,385.24

Finding the Fourth Proportional to 18,384.06, 27,560.52 and 8,385.24

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Solution

The fourth proportional to 18,384.06, 27,560.52 and 8,385.24 is: 12,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.06 : 27,560.52 = 8,385.24 : x
  2. Step 2: Convert to fraction form
    18,384.06/27,560.52 = 8,385.24/x
  3. Step 3: Cross multiply
    18,384.06x = 27,560.52 × 8,385.24
  4. Step 4: Simplify right side
    18,384.06x = 231,101,574.72
  5. Step 5: Solve for x
    x = 231,101,574.72/18,384.06
  6. Step 6: Final answer
    x = 12,570.76

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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.