Home / 18,239.16-25,169.69-10,281.23

Finding the Fourth Proportional to 18,239.16, 25,169.69 and 10,281.23

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Solution

The fourth proportional to 18,239.16, 25,169.69 and 10,281.23 is: 14,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.16 : 25,169.69 = 10,281.23 : x
  2. Step 2: Convert to fraction form
    18,239.16/25,169.69 = 10,281.23/x
  3. Step 3: Cross multiply
    18,239.16x = 25,169.69 × 10,281.23
  4. Step 4: Simplify right side
    18,239.16x = 258,775,371.92
  5. Step 5: Solve for x
    x = 258,775,371.92/18,239.16
  6. Step 6: Final answer
    x = 14,187.90

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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.