Home / 10,914.24-15,061.92-6,199.20

Finding the Fourth Proportional to 10,914.24, 15,061.92 and 6,199.20

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Solution

The fourth proportional to 10,914.24, 15,061.92 and 6,199.20 is: 8,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.24 : 15,061.92 = 6,199.20 : x
  2. Step 2: Convert to fraction form
    10,914.24/15,061.92 = 6,199.20/x
  3. Step 3: Cross multiply
    10,914.24x = 15,061.92 × 6,199.20
  4. Step 4: Simplify right side
    10,914.24x = 93,371,854.46
  5. Step 5: Solve for x
    x = 93,371,854.46/10,914.24
  6. Step 6: Final answer
    x = 8,555.05

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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.