Home / 18,240.24-25,170.80-10,284.11

Finding the Fourth Proportional to 18,240.24, 25,170.80 and 10,284.11

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Solution

The fourth proportional to 18,240.24, 25,170.80 and 10,284.11 is: 14,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.24 : 25,170.80 = 10,284.11 : x
  2. Step 2: Convert to fraction form
    18,240.24/25,170.80 = 10,284.11/x
  3. Step 3: Cross multiply
    18,240.24x = 25,170.80 × 10,284.11
  4. Step 4: Simplify right side
    18,240.24x = 258,859,275.99
  5. Step 5: Solve for x
    x = 258,859,275.99/18,240.24
  6. Step 6: Final answer
    x = 14,191.66

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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.