Home / 18,339.24-27,490.28-7,230.64

Finding the Fourth Proportional to 18,339.24, 27,490.28 and 7,230.64

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Solution

The fourth proportional to 18,339.24, 27,490.28 and 7,230.64 is: 10,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.24 : 27,490.28 = 7,230.64 : x
  2. Step 2: Convert to fraction form
    18,339.24/27,490.28 = 7,230.64/x
  3. Step 3: Cross multiply
    18,339.24x = 27,490.28 × 7,230.64
  4. Step 4: Simplify right side
    18,339.24x = 198,772,318.18
  5. Step 5: Solve for x
    x = 198,772,318.18/18,339.24
  6. Step 6: Final answer
    x = 10,838.63

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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.