Home / 14,150.97-21,230.10-5,386.57

Finding the Fourth Proportional to 14,150.97, 21,230.10 and 5,386.57

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Solution

The fourth proportional to 14,150.97, 21,230.10 and 5,386.57 is: 8,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.97 : 21,230.10 = 5,386.57 : x
  2. Step 2: Convert to fraction form
    14,150.97/21,230.10 = 5,386.57/x
  3. Step 3: Cross multiply
    14,150.97x = 21,230.10 × 5,386.57
  4. Step 4: Simplify right side
    14,150.97x = 114,357,366.68
  5. Step 5: Solve for x
    x = 114,357,366.68/14,150.97
  6. Step 6: Final answer
    x = 8,081.24

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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.