Home / 15,242.94-22,871.70-5,386.86

Finding the Fourth Proportional to 15,242.94, 22,871.70 and 5,386.86

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Solution

The fourth proportional to 15,242.94, 22,871.70 and 5,386.86 is: 8,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.94 : 22,871.70 = 5,386.86 : x
  2. Step 2: Convert to fraction form
    15,242.94/22,871.70 = 5,386.86/x
  3. Step 3: Cross multiply
    15,242.94x = 22,871.70 × 5,386.86
  4. Step 4: Simplify right side
    15,242.94x = 123,206,618.93
  5. Step 5: Solve for x
    x = 123,206,618.93/15,242.94
  6. Step 6: Final answer
    x = 8,082.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.