Home / 18,810.42-25,958.61-10,854.30

Finding the Fourth Proportional to 18,810.42, 25,958.61 and 10,854.30

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Solution

The fourth proportional to 18,810.42, 25,958.61 and 10,854.30 is: 14,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810.42 : 25,958.61 = 10,854.30 : x
  2. Step 2: Convert to fraction form
    18,810.42/25,958.61 = 10,854.30/x
  3. Step 3: Cross multiply
    18,810.42x = 25,958.61 × 10,854.30
  4. Step 4: Simplify right side
    18,810.42x = 281,762,540.52
  5. Step 5: Solve for x
    x = 281,762,540.52/18,810.42
  6. Step 6: Final answer
    x = 14,979.07

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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.