Home / 9,139.06-13,709.40-7,060.60

Finding the Fourth Proportional to 9,139.06, 13,709.40 and 7,060.60

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Solution

The fourth proportional to 9,139.06, 13,709.40 and 7,060.60 is: 10,591.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.06 : 13,709.40 = 7,060.60 : x
  2. Step 2: Convert to fraction form
    9,139.06/13,709.40 = 7,060.60/x
  3. Step 3: Cross multiply
    9,139.06x = 13,709.40 × 7,060.60
  4. Step 4: Simplify right side
    9,139.06x = 96,796,589.64
  5. Step 5: Solve for x
    x = 96,796,589.64/9,139.06
  6. Step 6: Final answer
    x = 10,591.53

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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.