Home / 10,112.19-13,955.22-5,635.90

Finding the Fourth Proportional to 10,112.19, 13,955.22 and 5,635.90

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Solution

The fourth proportional to 10,112.19, 13,955.22 and 5,635.90 is: 7,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.19 : 13,955.22 = 5,635.90 : x
  2. Step 2: Convert to fraction form
    10,112.19/13,955.22 = 5,635.90/x
  3. Step 3: Cross multiply
    10,112.19x = 13,955.22 × 5,635.90
  4. Step 4: Simplify right side
    10,112.19x = 78,650,224.40
  5. Step 5: Solve for x
    x = 78,650,224.40/10,112.19
  6. Step 6: Final answer
    x = 7,777.76

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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.