Home / 10,016.66-13,820.70-5,981.64

Finding the Fourth Proportional to 10,016.66, 13,820.70 and 5,981.64

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Solution

The fourth proportional to 10,016.66, 13,820.70 and 5,981.64 is: 8,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.66 : 13,820.70 = 5,981.64 : x
  2. Step 2: Convert to fraction form
    10,016.66/13,820.70 = 5,981.64/x
  3. Step 3: Cross multiply
    10,016.66x = 13,820.70 × 5,981.64
  4. Step 4: Simplify right side
    10,016.66x = 82,670,451.95
  5. Step 5: Solve for x
    x = 82,670,451.95/10,016.66
  6. Step 6: Final answer
    x = 8,253.30

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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.