Home / 18,298.04-27,441.60-7,767.88

Finding the Fourth Proportional to 18,298.04, 27,441.60 and 7,767.88

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Solution

The fourth proportional to 18,298.04, 27,441.60 and 7,767.88 is: 11,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.04 : 27,441.60 = 7,767.88 : x
  2. Step 2: Convert to fraction form
    18,298.04/27,441.60 = 7,767.88/x
  3. Step 3: Cross multiply
    18,298.04x = 27,441.60 × 7,767.88
  4. Step 4: Simplify right side
    18,298.04x = 213,163,055.81
  5. Step 5: Solve for x
    x = 213,163,055.81/18,298.04
  6. Step 6: Final answer
    x = 11,649.50

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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.