Home / 18,095.40-27,145.80-6,407.69

Finding the Fourth Proportional to 18,095.40, 27,145.80 and 6,407.69

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Solution

The fourth proportional to 18,095.40, 27,145.80 and 6,407.69 is: 9,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.40 : 27,145.80 = 6,407.69 : x
  2. Step 2: Convert to fraction form
    18,095.40/27,145.80 = 6,407.69/x
  3. Step 3: Cross multiply
    18,095.40x = 27,145.80 × 6,407.69
  4. Step 4: Simplify right side
    18,095.40x = 173,941,735.47
  5. Step 5: Solve for x
    x = 173,941,735.47/18,095.40
  6. Step 6: Final answer
    x = 9,612.48

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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.