Home / 19,307.52-28,960.98-6,159.81

Finding the Fourth Proportional to 19,307.52, 28,960.98 and 6,159.81

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Solution

The fourth proportional to 19,307.52, 28,960.98 and 6,159.81 is: 9,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.52 : 28,960.98 = 6,159.81 : x
  2. Step 2: Convert to fraction form
    19,307.52/28,960.98 = 6,159.81/x
  3. Step 3: Cross multiply
    19,307.52x = 28,960.98 × 6,159.81
  4. Step 4: Simplify right side
    19,307.52x = 178,394,134.21
  5. Step 5: Solve for x
    x = 178,394,134.21/19,307.52
  6. Step 6: Final answer
    x = 9,239.62

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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.