Home / 18,810.39-25,958.18-10,313.04

Finding the Fourth Proportional to 18,810.39, 25,958.18 and 10,313.04

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Solution

The fourth proportional to 18,810.39, 25,958.18 and 10,313.04 is: 14,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810.39 : 25,958.18 = 10,313.04 : x
  2. Step 2: Convert to fraction form
    18,810.39/25,958.18 = 10,313.04/x
  3. Step 3: Cross multiply
    18,810.39x = 25,958.18 × 10,313.04
  4. Step 4: Simplify right side
    18,810.39x = 267,707,697.10
  5. Step 5: Solve for x
    x = 267,707,697.10/18,810.39
  6. Step 6: Final answer
    x = 14,231.91

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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.