Home / 8,036.28-12,027.40-7,729.56

Finding the Fourth Proportional to 8,036.28, 12,027.40 and 7,729.56

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Solution

The fourth proportional to 8,036.28, 12,027.40 and 7,729.56 is: 11,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,036.28 : 12,027.40 = 7,729.56 : x
  2. Step 2: Convert to fraction form
    8,036.28/12,027.40 = 7,729.56/x
  3. Step 3: Cross multiply
    8,036.28x = 12,027.40 × 7,729.56
  4. Step 4: Simplify right side
    8,036.28x = 92,966,509.94
  5. Step 5: Solve for x
    x = 92,966,509.94/8,036.28
  6. Step 6: Final answer
    x = 11,568.35

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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.