Home / 10,318.59-14,226.03-8,406.99

Finding the Fourth Proportional to 10,318.59, 14,226.03 and 8,406.99

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Solution

The fourth proportional to 10,318.59, 14,226.03 and 8,406.99 is: 11,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.59 : 14,226.03 = 8,406.99 : x
  2. Step 2: Convert to fraction form
    10,318.59/14,226.03 = 8,406.99/x
  3. Step 3: Cross multiply
    10,318.59x = 14,226.03 × 8,406.99
  4. Step 4: Simplify right side
    10,318.59x = 119,598,091.95
  5. Step 5: Solve for x
    x = 119,598,091.95/10,318.59
  6. Step 6: Final answer
    x = 11,590.55

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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.