Home / 22,345.88-30,834.98-13,393.16

Finding the Fourth Proportional to 22,345.88, 30,834.98 and 13,393.16

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Solution

The fourth proportional to 22,345.88, 30,834.98 and 13,393.16 is: 18,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.88 : 30,834.98 = 13,393.16 : x
  2. Step 2: Convert to fraction form
    22,345.88/30,834.98 = 13,393.16/x
  3. Step 3: Cross multiply
    22,345.88x = 30,834.98 × 13,393.16
  4. Step 4: Simplify right side
    22,345.88x = 412,977,820.74
  5. Step 5: Solve for x
    x = 412,977,820.74/22,345.88
  6. Step 6: Final answer
    x = 18,481.16

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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.