Home / 12,358.76-18,540.57-4,568.18

Finding the Fourth Proportional to 12,358.76, 18,540.57 and 4,568.18

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Solution

The fourth proportional to 12,358.76, 18,540.57 and 4,568.18 is: 6,853.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.76 : 18,540.57 = 4,568.18 : x
  2. Step 2: Convert to fraction form
    12,358.76/18,540.57 = 4,568.18/x
  3. Step 3: Cross multiply
    12,358.76x = 18,540.57 × 4,568.18
  4. Step 4: Simplify right side
    12,358.76x = 84,696,661.06
  5. Step 5: Solve for x
    x = 84,696,661.06/12,358.76
  6. Step 6: Final answer
    x = 6,853.17

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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.