Home / 19,345.62-29,010.69-8,257.26

Finding the Fourth Proportional to 19,345.62, 29,010.69 and 8,257.26

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Solution

The fourth proportional to 19,345.62, 29,010.69 and 8,257.26 is: 12,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.62 : 29,010.69 = 8,257.26 : x
  2. Step 2: Convert to fraction form
    19,345.62/29,010.69 = 8,257.26/x
  3. Step 3: Cross multiply
    19,345.62x = 29,010.69 × 8,257.26
  4. Step 4: Simplify right side
    19,345.62x = 239,548,810.11
  5. Step 5: Solve for x
    x = 239,548,810.11/19,345.62
  6. Step 6: Final answer
    x = 12,382.59

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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.