Home / 10,121.87-13,966.71-5,814.38

Finding the Fourth Proportional to 10,121.87, 13,966.71 and 5,814.38

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Solution

The fourth proportional to 10,121.87, 13,966.71 and 5,814.38 is: 8,023.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.87 : 13,966.71 = 5,814.38 : x
  2. Step 2: Convert to fraction form
    10,121.87/13,966.71 = 5,814.38/x
  3. Step 3: Cross multiply
    10,121.87x = 13,966.71 × 5,814.38
  4. Step 4: Simplify right side
    10,121.87x = 81,207,759.29
  5. Step 5: Solve for x
    x = 81,207,759.29/10,121.87
  6. Step 6: Final answer
    x = 8,023.00

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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.