Home / 10,541.12-15,813.95-3,146.18

Finding the Fourth Proportional to 10,541.12, 15,813.95 and 3,146.18

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Solution

The fourth proportional to 10,541.12, 15,813.95 and 3,146.18 is: 4,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.12 : 15,813.95 = 3,146.18 : x
  2. Step 2: Convert to fraction form
    10,541.12/15,813.95 = 3,146.18/x
  3. Step 3: Cross multiply
    10,541.12x = 15,813.95 × 3,146.18
  4. Step 4: Simplify right side
    10,541.12x = 49,753,438.41
  5. Step 5: Solve for x
    x = 49,753,438.41/10,541.12
  6. Step 6: Final answer
    x = 4,719.94

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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.