Home / 10,178.19-15,268.25-3,158.28

Finding the Fourth Proportional to 10,178.19, 15,268.25 and 3,158.28

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Solution

The fourth proportional to 10,178.19, 15,268.25 and 3,158.28 is: 4,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.19 : 15,268.25 = 3,158.28 : x
  2. Step 2: Convert to fraction form
    10,178.19/15,268.25 = 3,158.28/x
  3. Step 3: Cross multiply
    10,178.19x = 15,268.25 × 3,158.28
  4. Step 4: Simplify right side
    10,178.19x = 48,221,408.61
  5. Step 5: Solve for x
    x = 48,221,408.61/10,178.19
  6. Step 6: Final answer
    x = 4,737.72

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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.