Home / 10,888.49-15,025.20-6,107.77

Finding the Fourth Proportional to 10,888.49, 15,025.20 and 6,107.77

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Solution

The fourth proportional to 10,888.49, 15,025.20 and 6,107.77 is: 8,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.49 : 15,025.20 = 6,107.77 : x
  2. Step 2: Convert to fraction form
    10,888.49/15,025.20 = 6,107.77/x
  3. Step 3: Cross multiply
    10,888.49x = 15,025.20 × 6,107.77
  4. Step 4: Simplify right side
    10,888.49x = 91,770,390.68
  5. Step 5: Solve for x
    x = 91,770,390.68/10,888.49
  6. Step 6: Final answer
    x = 8,428.21

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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.