Home / 18,717.66-25,830.63-10,761.30

Finding the Fourth Proportional to 18,717.66, 25,830.63 and 10,761.30

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Solution

The fourth proportional to 18,717.66, 25,830.63 and 10,761.30 is: 14,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.66 : 25,830.63 = 10,761.30 : x
  2. Step 2: Convert to fraction form
    18,717.66/25,830.63 = 10,761.30/x
  3. Step 3: Cross multiply
    18,717.66x = 25,830.63 × 10,761.30
  4. Step 4: Simplify right side
    18,717.66x = 277,971,158.62
  5. Step 5: Solve for x
    x = 277,971,158.62/18,717.66
  6. Step 6: Final answer
    x = 14,850.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.