Home / 14,387.07-21,580.61-8,226.75

Finding the Fourth Proportional to 14,387.07, 21,580.61 and 8,226.75

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Solution

The fourth proportional to 14,387.07, 21,580.61 and 8,226.75 is: 12,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.07 : 21,580.61 = 8,226.75 : x
  2. Step 2: Convert to fraction form
    14,387.07/21,580.61 = 8,226.75/x
  3. Step 3: Cross multiply
    14,387.07x = 21,580.61 × 8,226.75
  4. Step 4: Simplify right side
    14,387.07x = 177,538,242.18
  5. Step 5: Solve for x
    x = 177,538,242.18/14,387.07
  6. Step 6: Final answer
    x = 12,340.13

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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.