Home / 16,221.65-24,330.37-5,129.45

Finding the Fourth Proportional to 16,221.65, 24,330.37 and 5,129.45

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Solution

The fourth proportional to 16,221.65, 24,330.37 and 5,129.45 is: 7,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.65 : 24,330.37 = 5,129.45 : x
  2. Step 2: Convert to fraction form
    16,221.65/24,330.37 = 5,129.45/x
  3. Step 3: Cross multiply
    16,221.65x = 24,330.37 × 5,129.45
  4. Step 4: Simplify right side
    16,221.65x = 124,801,416.40
  5. Step 5: Solve for x
    x = 124,801,416.40/16,221.65
  6. Step 6: Final answer
    x = 7,693.51

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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.