Home / 18,536.04-27,760.86-9,158.76

Finding the Fourth Proportional to 18,536.04, 27,760.86 and 9,158.76

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Solution

The fourth proportional to 18,536.04, 27,760.86 and 9,158.76 is: 13,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.04 : 27,760.86 = 9,158.76 : x
  2. Step 2: Convert to fraction form
    18,536.04/27,760.86 = 9,158.76/x
  3. Step 3: Cross multiply
    18,536.04x = 27,760.86 × 9,158.76
  4. Step 4: Simplify right side
    18,536.04x = 254,255,054.13
  5. Step 5: Solve for x
    x = 254,255,054.13/18,536.04
  6. Step 6: Final answer
    x = 13,716.79

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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.