Home / 10,127.40-13,971.60-6,726

Finding the Fourth Proportional to 10,127.40, 13,971.60 and 6,726

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Solution

The fourth proportional to 10,127.40, 13,971.60 and 6,726 is: 9,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.40 : 13,971.60 = 6,726 : x
  2. Step 2: Convert to fraction form
    10,127.40/13,971.60 = 6,726/x
  3. Step 3: Cross multiply
    10,127.40x = 13,971.60 × 6,726
  4. Step 4: Simplify right side
    10,127.40x = 93,972,981.60
  5. Step 5: Solve for x
    x = 93,972,981.60/10,127.40
  6. Step 6: Final answer
    x = 9,279.08

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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.