Home / 18,614.61-25,688.25-10,231.65

Finding the Fourth Proportional to 18,614.61, 25,688.25 and 10,231.65

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Solution

The fourth proportional to 18,614.61, 25,688.25 and 10,231.65 is: 14,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.61 : 25,688.25 = 10,231.65 : x
  2. Step 2: Convert to fraction form
    18,614.61/25,688.25 = 10,231.65/x
  3. Step 3: Cross multiply
    18,614.61x = 25,688.25 × 10,231.65
  4. Step 4: Simplify right side
    18,614.61x = 262,833,131.95
  5. Step 5: Solve for x
    x = 262,833,131.95/18,614.61
  6. Step 6: Final answer
    x = 14,119.72

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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.