Home / 11,382.40-15,707.54-6,346.82

Finding the Fourth Proportional to 11,382.40, 15,707.54 and 6,346.82

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Solution

The fourth proportional to 11,382.40, 15,707.54 and 6,346.82 is: 8,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.40 : 15,707.54 = 6,346.82 : x
  2. Step 2: Convert to fraction form
    11,382.40/15,707.54 = 6,346.82/x
  3. Step 3: Cross multiply
    11,382.40x = 15,707.54 × 6,346.82
  4. Step 4: Simplify right side
    11,382.40x = 99,692,929.02
  5. Step 5: Solve for x
    x = 99,692,929.02/11,382.40
  6. Step 6: Final answer
    x = 8,758.52

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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.