Home / 10,381.12-14,327.04-6,134.28

Finding the Fourth Proportional to 10,381.12, 14,327.04 and 6,134.28

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Solution

The fourth proportional to 10,381.12, 14,327.04 and 6,134.28 is: 8,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.12 : 14,327.04 = 6,134.28 : x
  2. Step 2: Convert to fraction form
    10,381.12/14,327.04 = 6,134.28/x
  3. Step 3: Cross multiply
    10,381.12x = 14,327.04 × 6,134.28
  4. Step 4: Simplify right side
    10,381.12x = 87,886,074.93
  5. Step 5: Solve for x
    x = 87,886,074.93/10,381.12
  6. Step 6: Final answer
    x = 8,465.95

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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.