Home / 10,126.52-13,967.64-9,290

Finding the Fourth Proportional to 10,126.52, 13,967.64 and 9,290

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Solution

The fourth proportional to 10,126.52, 13,967.64 and 9,290 is: 12,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.52 : 13,967.64 = 9,290 : x
  2. Step 2: Convert to fraction form
    10,126.52/13,967.64 = 9,290/x
  3. Step 3: Cross multiply
    10,126.52x = 13,967.64 × 9,290
  4. Step 4: Simplify right side
    10,126.52x = 129,759,375.60
  5. Step 5: Solve for x
    x = 129,759,375.60/10,126.52
  6. Step 6: Final answer
    x = 12,813.82

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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.