Home / 18,287.80-25,235.22-13,510.24

Finding the Fourth Proportional to 18,287.80, 25,235.22 and 13,510.24

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Solution

The fourth proportional to 18,287.80, 25,235.22 and 13,510.24 is: 18,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.80 : 25,235.22 = 13,510.24 : x
  2. Step 2: Convert to fraction form
    18,287.80/25,235.22 = 13,510.24/x
  3. Step 3: Cross multiply
    18,287.80x = 25,235.22 × 13,510.24
  4. Step 4: Simplify right side
    18,287.80x = 340,933,878.65
  5. Step 5: Solve for x
    x = 340,933,878.65/18,287.80
  6. Step 6: Final answer
    x = 18,642.70

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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.