Home / 9,400.86-14,103.15-4,206.78

Finding the Fourth Proportional to 9,400.86, 14,103.15 and 4,206.78

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Solution

The fourth proportional to 9,400.86, 14,103.15 and 4,206.78 is: 6,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.86 : 14,103.15 = 4,206.78 : x
  2. Step 2: Convert to fraction form
    9,400.86/14,103.15 = 4,206.78/x
  3. Step 3: Cross multiply
    9,400.86x = 14,103.15 × 4,206.78
  4. Step 4: Simplify right side
    9,400.86x = 59,328,849.36
  5. Step 5: Solve for x
    x = 59,328,849.36/9,400.86
  6. Step 6: Final answer
    x = 6,311.00

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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.