Home / 13,050.10-19,560.39-6,480.82

Finding the Fourth Proportional to 13,050.10, 19,560.39 and 6,480.82

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Solution

The fourth proportional to 13,050.10, 19,560.39 and 6,480.82 is: 9,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.10 : 19,560.39 = 6,480.82 : x
  2. Step 2: Convert to fraction form
    13,050.10/19,560.39 = 6,480.82/x
  3. Step 3: Cross multiply
    13,050.10x = 19,560.39 × 6,480.82
  4. Step 4: Simplify right side
    13,050.10x = 126,767,366.72
  5. Step 5: Solve for x
    x = 126,767,366.72/13,050.10
  6. Step 6: Final answer
    x = 9,713.90

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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.