Home / 14,979.40-22,469.10-10,313.80

Finding the Fourth Proportional to 14,979.40, 22,469.10 and 10,313.80

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Solution

The fourth proportional to 14,979.40, 22,469.10 and 10,313.80 is: 15,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.40 : 22,469.10 = 10,313.80 : x
  2. Step 2: Convert to fraction form
    14,979.40/22,469.10 = 10,313.80/x
  3. Step 3: Cross multiply
    14,979.40x = 22,469.10 × 10,313.80
  4. Step 4: Simplify right side
    14,979.40x = 231,741,803.58
  5. Step 5: Solve for x
    x = 231,741,803.58/14,979.40
  6. Step 6: Final answer
    x = 15,470.70

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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.