Home / 15,480.10-21,362.14-8,767.38

Finding the Fourth Proportional to 15,480.10, 21,362.14 and 8,767.38

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Solution

The fourth proportional to 15,480.10, 21,362.14 and 8,767.38 is: 12,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.10 : 21,362.14 = 8,767.38 : x
  2. Step 2: Convert to fraction form
    15,480.10/21,362.14 = 8,767.38/x
  3. Step 3: Cross multiply
    15,480.10x = 21,362.14 × 8,767.38
  4. Step 4: Simplify right side
    15,480.10x = 187,289,998.99
  5. Step 5: Solve for x
    x = 187,289,998.99/15,480.10
  6. Step 6: Final answer
    x = 12,098.76

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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.