Home / 9,314.44-12,854.02-5,122.76

Finding the Fourth Proportional to 9,314.44, 12,854.02 and 5,122.76

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Solution

The fourth proportional to 9,314.44, 12,854.02 and 5,122.76 is: 7,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.44 : 12,854.02 = 5,122.76 : x
  2. Step 2: Convert to fraction form
    9,314.44/12,854.02 = 5,122.76/x
  3. Step 3: Cross multiply
    9,314.44x = 12,854.02 × 5,122.76
  4. Step 4: Simplify right side
    9,314.44x = 65,848,059.50
  5. Step 5: Solve for x
    x = 65,848,059.50/9,314.44
  6. Step 6: Final answer
    x = 7,069.46

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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.