Home / 21,552.79-29,737.04-12,602.49

Finding the Fourth Proportional to 21,552.79, 29,737.04 and 12,602.49

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Solution

The fourth proportional to 21,552.79, 29,737.04 and 12,602.49 is: 17,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.79 : 29,737.04 = 12,602.49 : x
  2. Step 2: Convert to fraction form
    21,552.79/29,737.04 = 12,602.49/x
  3. Step 3: Cross multiply
    21,552.79x = 29,737.04 × 12,602.49
  4. Step 4: Simplify right side
    21,552.79x = 374,760,686.22
  5. Step 5: Solve for x
    x = 374,760,686.22/21,552.79
  6. Step 6: Final answer
    x = 17,388.04

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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.