Home / 13,095.91-18,072.30-7,127.57

Finding the Fourth Proportional to 13,095.91, 18,072.30 and 7,127.57

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Solution

The fourth proportional to 13,095.91, 18,072.30 and 7,127.57 is: 9,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.91 : 18,072.30 = 7,127.57 : x
  2. Step 2: Convert to fraction form
    13,095.91/18,072.30 = 7,127.57/x
  3. Step 3: Cross multiply
    13,095.91x = 18,072.30 × 7,127.57
  4. Step 4: Simplify right side
    13,095.91x = 128,811,592.85
  5. Step 5: Solve for x
    x = 128,811,592.85/13,095.91
  6. Step 6: Final answer
    x = 9,836.02

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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.