Home / 19,013.02-28,495.77-9,149.65

Finding the Fourth Proportional to 19,013.02, 28,495.77 and 9,149.65

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Solution

The fourth proportional to 19,013.02, 28,495.77 and 9,149.65 is: 13,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.02 : 28,495.77 = 9,149.65 : x
  2. Step 2: Convert to fraction form
    19,013.02/28,495.77 = 9,149.65/x
  3. Step 3: Cross multiply
    19,013.02x = 28,495.77 × 9,149.65
  4. Step 4: Simplify right side
    19,013.02x = 260,726,321.98
  5. Step 5: Solve for x
    x = 260,726,321.98/19,013.02
  6. Step 6: Final answer
    x = 13,713.04

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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.