Home / 21,717.38-29,994.54-14,631.50

Finding the Fourth Proportional to 21,717.38, 29,994.54 and 14,631.50

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Solution

The fourth proportional to 21,717.38, 29,994.54 and 14,631.50 is: 20,208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717.38 : 29,994.54 = 14,631.50 : x
  2. Step 2: Convert to fraction form
    21,717.38/29,994.54 = 14,631.50/x
  3. Step 3: Cross multiply
    21,717.38x = 29,994.54 × 14,631.50
  4. Step 4: Simplify right side
    21,717.38x = 438,865,112.01
  5. Step 5: Solve for x
    x = 438,865,112.01/21,717.38
  6. Step 6: Final answer
    x = 20,208.01

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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.