Home / 12,943.24-17,842.82-9,154.60

Finding the Fourth Proportional to 12,943.24, 17,842.82 and 9,154.60

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Solution

The fourth proportional to 12,943.24, 17,842.82 and 9,154.60 is: 12,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.24 : 17,842.82 = 9,154.60 : x
  2. Step 2: Convert to fraction form
    12,943.24/17,842.82 = 9,154.60/x
  3. Step 3: Cross multiply
    12,943.24x = 17,842.82 × 9,154.60
  4. Step 4: Simplify right side
    12,943.24x = 163,343,879.97
  5. Step 5: Solve for x
    x = 163,343,879.97/12,943.24
  6. Step 6: Final answer
    x = 12,620.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.