Home / 13,439.75-20,152.70-6,037.85

Finding the Fourth Proportional to 13,439.75, 20,152.70 and 6,037.85

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Solution

The fourth proportional to 13,439.75, 20,152.70 and 6,037.85 is: 9,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439.75 : 20,152.70 = 6,037.85 : x
  2. Step 2: Convert to fraction form
    13,439.75/20,152.70 = 6,037.85/x
  3. Step 3: Cross multiply
    13,439.75x = 20,152.70 × 6,037.85
  4. Step 4: Simplify right side
    13,439.75x = 121,678,979.70
  5. Step 5: Solve for x
    x = 121,678,979.70/13,439.75
  6. Step 6: Final answer
    x = 9,053.66

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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.