Home / 20,886.59-31,332.18-6,097.93

Finding the Fourth Proportional to 20,886.59, 31,332.18 and 6,097.93

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Solution

The fourth proportional to 20,886.59, 31,332.18 and 6,097.93 is: 9,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886.59 : 31,332.18 = 6,097.93 : x
  2. Step 2: Convert to fraction form
    20,886.59/31,332.18 = 6,097.93/x
  3. Step 3: Cross multiply
    20,886.59x = 31,332.18 × 6,097.93
  4. Step 4: Simplify right side
    20,886.59x = 191,061,440.39
  5. Step 5: Solve for x
    x = 191,061,440.39/20,886.59
  6. Step 6: Final answer
    x = 9,147.57

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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.