Home / 14,399.60-21,585.51-7,382.90

Finding the Fourth Proportional to 14,399.60, 21,585.51 and 7,382.90

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Solution

The fourth proportional to 14,399.60, 21,585.51 and 7,382.90 is: 11,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.60 : 21,585.51 = 7,382.90 : x
  2. Step 2: Convert to fraction form
    14,399.60/21,585.51 = 7,382.90/x
  3. Step 3: Cross multiply
    14,399.60x = 21,585.51 × 7,382.90
  4. Step 4: Simplify right side
    14,399.60x = 159,363,715.74
  5. Step 5: Solve for x
    x = 159,363,715.74/14,399.60
  6. Step 6: Final answer
    x = 11,067.24

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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.