Home / 15,614.68-21,558.66-9,243.34

Finding the Fourth Proportional to 15,614.68, 21,558.66 and 9,243.34

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Solution

The fourth proportional to 15,614.68, 21,558.66 and 9,243.34 is: 12,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.68 : 21,558.66 = 9,243.34 : x
  2. Step 2: Convert to fraction form
    15,614.68/21,558.66 = 9,243.34/x
  3. Step 3: Cross multiply
    15,614.68x = 21,558.66 × 9,243.34
  4. Step 4: Simplify right side
    15,614.68x = 199,274,024.32
  5. Step 5: Solve for x
    x = 199,274,024.32/15,614.68
  6. Step 6: Final answer
    x = 12,761.97

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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.