Home / 18,825.69-25,972.07-13,158.93

Finding the Fourth Proportional to 18,825.69, 25,972.07 and 13,158.93

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Solution

The fourth proportional to 18,825.69, 25,972.07 and 13,158.93 is: 18,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.69 : 25,972.07 = 13,158.93 : x
  2. Step 2: Convert to fraction form
    18,825.69/25,972.07 = 13,158.93/x
  3. Step 3: Cross multiply
    18,825.69x = 25,972.07 × 13,158.93
  4. Step 4: Simplify right side
    18,825.69x = 341,764,585.29
  5. Step 5: Solve for x
    x = 341,764,585.29/18,825.69
  6. Step 6: Final answer
    x = 18,154.16

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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.