Home / 20,296.61-30,447.95-6,255.47

Finding the Fourth Proportional to 20,296.61, 30,447.95 and 6,255.47

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Solution

The fourth proportional to 20,296.61, 30,447.95 and 6,255.47 is: 9,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.61 : 30,447.95 = 6,255.47 : x
  2. Step 2: Convert to fraction form
    20,296.61/30,447.95 = 6,255.47/x
  3. Step 3: Cross multiply
    20,296.61x = 30,447.95 × 6,255.47
  4. Step 4: Simplify right side
    20,296.61x = 190,466,054.27
  5. Step 5: Solve for x
    x = 190,466,054.27/20,296.61
  6. Step 6: Final answer
    x = 9,384.13

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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.