Home / 22,708.84-34,018.98-12,818.20

Finding the Fourth Proportional to 22,708.84, 34,018.98 and 12,818.20

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Solution

The fourth proportional to 22,708.84, 34,018.98 and 12,818.20 is: 19,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.84 : 34,018.98 = 12,818.20 : x
  2. Step 2: Convert to fraction form
    22,708.84/34,018.98 = 12,818.20/x
  3. Step 3: Cross multiply
    22,708.84x = 34,018.98 × 12,818.20
  4. Step 4: Simplify right side
    22,708.84x = 436,062,089.44
  5. Step 5: Solve for x
    x = 436,062,089.44/22,708.84
  6. Step 6: Final answer
    x = 19,202.31

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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.