Home / 18,317.65-25,282.04-10,766.42

Finding the Fourth Proportional to 18,317.65, 25,282.04 and 10,766.42

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Solution

The fourth proportional to 18,317.65, 25,282.04 and 10,766.42 is: 14,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.65 : 25,282.04 = 10,766.42 : x
  2. Step 2: Convert to fraction form
    18,317.65/25,282.04 = 10,766.42/x
  3. Step 3: Cross multiply
    18,317.65x = 25,282.04 × 10,766.42
  4. Step 4: Simplify right side
    18,317.65x = 272,197,061.10
  5. Step 5: Solve for x
    x = 272,197,061.10/18,317.65
  6. Step 6: Final answer
    x = 14,859.82

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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.