Home / 12,470.27-18,680.79-9,353.79

Finding the Fourth Proportional to 12,470.27, 18,680.79 and 9,353.79

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Solution

The fourth proportional to 12,470.27, 18,680.79 and 9,353.79 is: 14,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.27 : 18,680.79 = 9,353.79 : x
  2. Step 2: Convert to fraction form
    12,470.27/18,680.79 = 9,353.79/x
  3. Step 3: Cross multiply
    12,470.27x = 18,680.79 × 9,353.79
  4. Step 4: Simplify right side
    12,470.27x = 174,736,186.69
  5. Step 5: Solve for x
    x = 174,736,186.69/12,470.27
  6. Step 6: Final answer
    x = 14,012.23

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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.