Home / 21,810.54-30,098.07-12,737.46

Finding the Fourth Proportional to 21,810.54, 30,098.07 and 12,737.46

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Solution

The fourth proportional to 21,810.54, 30,098.07 and 12,737.46 is: 17,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810.54 : 30,098.07 = 12,737.46 : x
  2. Step 2: Convert to fraction form
    21,810.54/30,098.07 = 12,737.46/x
  3. Step 3: Cross multiply
    21,810.54x = 30,098.07 × 12,737.46
  4. Step 4: Simplify right side
    21,810.54x = 383,372,962.70
  5. Step 5: Solve for x
    x = 383,372,962.70/21,810.54
  6. Step 6: Final answer
    x = 17,577.42

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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.