Home / 18,156.71-27,240.33-6,470.84

Finding the Fourth Proportional to 18,156.71, 27,240.33 and 6,470.84

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Solution

The fourth proportional to 18,156.71, 27,240.33 and 6,470.84 is: 9,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.71 : 27,240.33 = 6,470.84 : x
  2. Step 2: Convert to fraction form
    18,156.71/27,240.33 = 6,470.84/x
  3. Step 3: Cross multiply
    18,156.71x = 27,240.33 × 6,470.84
  4. Step 4: Simplify right side
    18,156.71x = 176,267,816.98
  5. Step 5: Solve for x
    x = 176,267,816.98/18,156.71
  6. Step 6: Final answer
    x = 9,708.14

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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.