Home / 9,378.86-14,064.18-8,463.04

Finding the Fourth Proportional to 9,378.86, 14,064.18 and 8,463.04

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Solution

The fourth proportional to 9,378.86, 14,064.18 and 8,463.04 is: 12,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.86 : 14,064.18 = 8,463.04 : x
  2. Step 2: Convert to fraction form
    9,378.86/14,064.18 = 8,463.04/x
  3. Step 3: Cross multiply
    9,378.86x = 14,064.18 × 8,463.04
  4. Step 4: Simplify right side
    9,378.86x = 119,025,717.91
  5. Step 5: Solve for x
    x = 119,025,717.91/9,378.86
  6. Step 6: Final answer
    x = 12,690.85

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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.