Home / 13,095.41-18,072.11-7,127.30

Finding the Fourth Proportional to 13,095.41, 18,072.11 and 7,127.30

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Solution

The fourth proportional to 13,095.41, 18,072.11 and 7,127.30 is: 9,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.41 : 18,072.11 = 7,127.30 : x
  2. Step 2: Convert to fraction form
    13,095.41/18,072.11 = 7,127.30/x
  3. Step 3: Cross multiply
    13,095.41x = 18,072.11 × 7,127.30
  4. Step 4: Simplify right side
    13,095.41x = 128,805,223.61
  5. Step 5: Solve for x
    x = 128,805,223.61/13,095.41
  6. Step 6: Final answer
    x = 9,835.91

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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.