Home / 15,299.36-22,955.56-8,640.85

Finding the Fourth Proportional to 15,299.36, 22,955.56 and 8,640.85

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Solution

The fourth proportional to 15,299.36, 22,955.56 and 8,640.85 is: 12,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.36 : 22,955.56 = 8,640.85 : x
  2. Step 2: Convert to fraction form
    15,299.36/22,955.56 = 8,640.85/x
  3. Step 3: Cross multiply
    15,299.36x = 22,955.56 × 8,640.85
  4. Step 4: Simplify right side
    15,299.36x = 198,355,640.00
  5. Step 5: Solve for x
    x = 198,355,640.00/15,299.36
  6. Step 6: Final answer
    x = 12,964.97

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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.