Home / 13,006.60-19,520.06-5,220.52

Finding the Fourth Proportional to 13,006.60, 19,520.06 and 5,220.52

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Solution

The fourth proportional to 13,006.60, 19,520.06 and 5,220.52 is: 7,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.60 : 19,520.06 = 5,220.52 : x
  2. Step 2: Convert to fraction form
    13,006.60/19,520.06 = 5,220.52/x
  3. Step 3: Cross multiply
    13,006.60x = 19,520.06 × 5,220.52
  4. Step 4: Simplify right side
    13,006.60x = 101,904,863.63
  5. Step 5: Solve for x
    x = 101,904,863.63/13,006.60
  6. Step 6: Final answer
    x = 7,834.86

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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.