Home / 11,215.52-16,823.28-4,634.47

Finding the Fourth Proportional to 11,215.52, 16,823.28 and 4,634.47

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Solution

The fourth proportional to 11,215.52, 16,823.28 and 4,634.47 is: 6,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.52 : 16,823.28 = 4,634.47 : x
  2. Step 2: Convert to fraction form
    11,215.52/16,823.28 = 4,634.47/x
  3. Step 3: Cross multiply
    11,215.52x = 16,823.28 × 4,634.47
  4. Step 4: Simplify right side
    11,215.52x = 77,966,986.46
  5. Step 5: Solve for x
    x = 77,966,986.46/11,215.52
  6. Step 6: Final answer
    x = 6,951.71

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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.