Home / 13,095.93-18,072.57-7,127.61

Finding the Fourth Proportional to 13,095.93, 18,072.57 and 7,127.61

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Solution

The fourth proportional to 13,095.93, 18,072.57 and 7,127.61 is: 9,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.93 : 18,072.57 = 7,127.61 : x
  2. Step 2: Convert to fraction form
    13,095.93/18,072.57 = 7,127.61/x
  3. Step 3: Cross multiply
    13,095.93x = 18,072.57 × 7,127.61
  4. Step 4: Simplify right side
    13,095.93x = 128,814,230.66
  5. Step 5: Solve for x
    x = 128,814,230.66/13,095.93
  6. Step 6: Final answer
    x = 9,836.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.