Home / 16,132.84-22,234.98-15,683.56

Finding the Fourth Proportional to 16,132.84, 22,234.98 and 15,683.56

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Solution

The fourth proportional to 16,132.84, 22,234.98 and 15,683.56 is: 21,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,132.84 : 22,234.98 = 15,683.56 : x
  2. Step 2: Convert to fraction form
    16,132.84/22,234.98 = 15,683.56/x
  3. Step 3: Cross multiply
    16,132.84x = 22,234.98 × 15,683.56
  4. Step 4: Simplify right side
    16,132.84x = 348,723,642.93
  5. Step 5: Solve for x
    x = 348,723,642.93/16,132.84
  6. Step 6: Final answer
    x = 21,615.76

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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.