Home / 22,271.80-30,734.46-12,335.80

Finding the Fourth Proportional to 22,271.80, 30,734.46 and 12,335.80

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Solution

The fourth proportional to 22,271.80, 30,734.46 and 12,335.80 is: 17,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.80 : 30,734.46 = 12,335.80 : x
  2. Step 2: Convert to fraction form
    22,271.80/30,734.46 = 12,335.80/x
  3. Step 3: Cross multiply
    22,271.80x = 30,734.46 × 12,335.80
  4. Step 4: Simplify right side
    22,271.80x = 379,134,151.67
  5. Step 5: Solve for x
    x = 379,134,151.67/22,271.80
  6. Step 6: Final answer
    x = 17,023.06

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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.