Home / 10,026.22-13,839.26-5,780.12

Finding the Fourth Proportional to 10,026.22, 13,839.26 and 5,780.12

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Solution

The fourth proportional to 10,026.22, 13,839.26 and 5,780.12 is: 7,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,026.22 : 13,839.26 = 5,780.12 : x
  2. Step 2: Convert to fraction form
    10,026.22/13,839.26 = 5,780.12/x
  3. Step 3: Cross multiply
    10,026.22x = 13,839.26 × 5,780.12
  4. Step 4: Simplify right side
    10,026.22x = 79,992,528.77
  5. Step 5: Solve for x
    x = 79,992,528.77/10,026.22
  6. Step 6: Final answer
    x = 7,978.34

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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.