Home / 21,621.84-29,838.17-12,062.35

Finding the Fourth Proportional to 21,621.84, 29,838.17 and 12,062.35

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Solution

The fourth proportional to 21,621.84, 29,838.17 and 12,062.35 is: 16,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621.84 : 29,838.17 = 12,062.35 : x
  2. Step 2: Convert to fraction form
    21,621.84/29,838.17 = 12,062.35/x
  3. Step 3: Cross multiply
    21,621.84x = 29,838.17 × 12,062.35
  4. Step 4: Simplify right side
    21,621.84x = 359,918,517.35
  5. Step 5: Solve for x
    x = 359,918,517.35/21,621.84
  6. Step 6: Final answer
    x = 16,646.07

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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.