Home / 21,946.14-30,288.54-14,398.92

Finding the Fourth Proportional to 21,946.14, 30,288.54 and 14,398.92

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Solution

The fourth proportional to 21,946.14, 30,288.54 and 14,398.92 is: 19,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.14 : 30,288.54 = 14,398.92 : x
  2. Step 2: Convert to fraction form
    21,946.14/30,288.54 = 14,398.92/x
  3. Step 3: Cross multiply
    21,946.14x = 30,288.54 × 14,398.92
  4. Step 4: Simplify right side
    21,946.14x = 436,122,264.38
  5. Step 5: Solve for x
    x = 436,122,264.38/21,946.14
  6. Step 6: Final answer
    x = 19,872.39

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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.