Home / 11,216.63-15,479.26-6,248.95

Finding the Fourth Proportional to 11,216.63, 15,479.26 and 6,248.95

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Solution

The fourth proportional to 11,216.63, 15,479.26 and 6,248.95 is: 8,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.63 : 15,479.26 = 6,248.95 : x
  2. Step 2: Convert to fraction form
    11,216.63/15,479.26 = 6,248.95/x
  3. Step 3: Cross multiply
    11,216.63x = 15,479.26 × 6,248.95
  4. Step 4: Simplify right side
    11,216.63x = 96,729,060.00
  5. Step 5: Solve for x
    x = 96,729,060.00/11,216.63
  6. Step 6: Final answer
    x = 8,623.72

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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.