Home / 11,335.04-15,621.12-8,185.92

Finding the Fourth Proportional to 11,335.04, 15,621.12 and 8,185.92

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Solution

The fourth proportional to 11,335.04, 15,621.12 and 8,185.92 is: 11,281.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.04 : 15,621.12 = 8,185.92 : x
  2. Step 2: Convert to fraction form
    11,335.04/15,621.12 = 8,185.92/x
  3. Step 3: Cross multiply
    11,335.04x = 15,621.12 × 8,185.92
  4. Step 4: Simplify right side
    11,335.04x = 127,873,238.63
  5. Step 5: Solve for x
    x = 127,873,238.63/11,335.04
  6. Step 6: Final answer
    x = 11,281.23

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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.