Home / 15,693.23-21,600.32-14,197.97

Finding the Fourth Proportional to 15,693.23, 21,600.32 and 14,197.97

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Solution

The fourth proportional to 15,693.23, 21,600.32 and 14,197.97 is: 19,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.23 : 21,600.32 = 14,197.97 : x
  2. Step 2: Convert to fraction form
    15,693.23/21,600.32 = 14,197.97/x
  3. Step 3: Cross multiply
    15,693.23x = 21,600.32 × 14,197.97
  4. Step 4: Simplify right side
    15,693.23x = 306,680,516.36
  5. Step 5: Solve for x
    x = 306,680,516.36/15,693.23
  6. Step 6: Final answer
    x = 19,542.22

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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.