Home / 21,553.04-29,737.38-12,602.74

Finding the Fourth Proportional to 21,553.04, 29,737.38 and 12,602.74

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Solution

The fourth proportional to 21,553.04, 29,737.38 and 12,602.74 is: 17,388.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553.04 : 29,737.38 = 12,602.74 : x
  2. Step 2: Convert to fraction form
    21,553.04/29,737.38 = 12,602.74/x
  3. Step 3: Cross multiply
    21,553.04x = 29,737.38 × 12,602.74
  4. Step 4: Simplify right side
    21,553.04x = 374,772,468.42
  5. Step 5: Solve for x
    x = 374,772,468.42/21,553.04
  6. Step 6: Final answer
    x = 17,388.38

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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.