Home / 11,385.73-15,712.27-6,349.95

Finding the Fourth Proportional to 11,385.73, 15,712.27 and 6,349.95

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Solution

The fourth proportional to 11,385.73, 15,712.27 and 6,349.95 is: 8,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.73 : 15,712.27 = 6,349.95 : x
  2. Step 2: Convert to fraction form
    11,385.73/15,712.27 = 6,349.95/x
  3. Step 3: Cross multiply
    11,385.73x = 15,712.27 × 6,349.95
  4. Step 4: Simplify right side
    11,385.73x = 99,772,097.14
  5. Step 5: Solve for x
    x = 99,772,097.14/11,385.73
  6. Step 6: Final answer
    x = 8,762.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.