Home / 10,660.15-15,990.23-2,868.94

Finding the Fourth Proportional to 10,660.15, 15,990.23 and 2,868.94

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Solution

The fourth proportional to 10,660.15, 15,990.23 and 2,868.94 is: 4,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.15 : 15,990.23 = 2,868.94 : x
  2. Step 2: Convert to fraction form
    10,660.15/15,990.23 = 2,868.94/x
  3. Step 3: Cross multiply
    10,660.15x = 15,990.23 × 2,868.94
  4. Step 4: Simplify right side
    10,660.15x = 45,875,010.46
  5. Step 5: Solve for x
    x = 45,875,010.46/10,660.15
  6. Step 6: Final answer
    x = 4,303.41

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Similar ratio
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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.