Home / 18,098.40-27,151.20-7,005.18

Finding the Fourth Proportional to 18,098.40, 27,151.20 and 7,005.18

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Solution

The fourth proportional to 18,098.40, 27,151.20 and 7,005.18 is: 10,509.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.40 : 27,151.20 = 7,005.18 : x
  2. Step 2: Convert to fraction form
    18,098.40/27,151.20 = 7,005.18/x
  3. Step 3: Cross multiply
    18,098.40x = 27,151.20 × 7,005.18
  4. Step 4: Simplify right side
    18,098.40x = 190,199,145.03
  5. Step 5: Solve for x
    x = 190,199,145.03/18,098.40
  6. Step 6: Final answer
    x = 10,509.17

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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.