Home / 15,601.68-23,397.66-5,211

Finding the Fourth Proportional to 15,601.68, 23,397.66 and 5,211

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Solution

The fourth proportional to 15,601.68, 23,397.66 and 5,211 is: 7,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.68 : 23,397.66 = 5,211 : x
  2. Step 2: Convert to fraction form
    15,601.68/23,397.66 = 5,211/x
  3. Step 3: Cross multiply
    15,601.68x = 23,397.66 × 5,211
  4. Step 4: Simplify right side
    15,601.68x = 121,925,206.26
  5. Step 5: Solve for x
    x = 121,925,206.26/15,601.68
  6. Step 6: Final answer
    x = 7,814.88

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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.