Home / 18,246.40-27,370.41-7,152.10

Finding the Fourth Proportional to 18,246.40, 27,370.41 and 7,152.10

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Solution

The fourth proportional to 18,246.40, 27,370.41 and 7,152.10 is: 10,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.40 : 27,370.41 = 7,152.10 : x
  2. Step 2: Convert to fraction form
    18,246.40/27,370.41 = 7,152.10/x
  3. Step 3: Cross multiply
    18,246.40x = 27,370.41 × 7,152.10
  4. Step 4: Simplify right side
    18,246.40x = 195,755,909.36
  5. Step 5: Solve for x
    x = 195,755,909.36/18,246.40
  6. Step 6: Final answer
    x = 10,728.47

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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.