Home / 13,296.06-19,901.97-7,434.90

Finding the Fourth Proportional to 13,296.06, 19,901.97 and 7,434.90

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Solution

The fourth proportional to 13,296.06, 19,901.97 and 7,434.90 is: 11,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.06 : 19,901.97 = 7,434.90 : x
  2. Step 2: Convert to fraction form
    13,296.06/19,901.97 = 7,434.90/x
  3. Step 3: Cross multiply
    13,296.06x = 19,901.97 × 7,434.90
  4. Step 4: Simplify right side
    13,296.06x = 147,969,156.75
  5. Step 5: Solve for x
    x = 147,969,156.75/13,296.06
  6. Step 6: Final answer
    x = 11,128.80

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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.