Home / 9,069.30-13,603.95-7,427.70

Finding the Fourth Proportional to 9,069.30, 13,603.95 and 7,427.70

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Solution

The fourth proportional to 9,069.30, 13,603.95 and 7,427.70 is: 11,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.30 : 13,603.95 = 7,427.70 : x
  2. Step 2: Convert to fraction form
    9,069.30/13,603.95 = 7,427.70/x
  3. Step 3: Cross multiply
    9,069.30x = 13,603.95 × 7,427.70
  4. Step 4: Simplify right side
    9,069.30x = 101,046,059.42
  5. Step 5: Solve for x
    x = 101,046,059.42/9,069.30
  6. Step 6: Final answer
    x = 11,141.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.