Home / 14,440.25-21,695.39-13,643.70

Finding the Fourth Proportional to 14,440.25, 21,695.39 and 13,643.70

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Solution

The fourth proportional to 14,440.25, 21,695.39 and 13,643.70 is: 20,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.25 : 21,695.39 = 13,643.70 : x
  2. Step 2: Convert to fraction form
    14,440.25/21,695.39 = 13,643.70/x
  3. Step 3: Cross multiply
    14,440.25x = 21,695.39 × 13,643.70
  4. Step 4: Simplify right side
    14,440.25x = 296,005,242.97
  5. Step 5: Solve for x
    x = 296,005,242.97/14,440.25
  6. Step 6: Final answer
    x = 20,498.62

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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.