Home / 16,902.98-23,349.97-15,388.01

Finding the Fourth Proportional to 16,902.98, 23,349.97 and 15,388.01

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Solution

The fourth proportional to 16,902.98, 23,349.97 and 15,388.01 is: 21,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.98 : 23,349.97 = 15,388.01 : x
  2. Step 2: Convert to fraction form
    16,902.98/23,349.97 = 15,388.01/x
  3. Step 3: Cross multiply
    16,902.98x = 23,349.97 × 15,388.01
  4. Step 4: Simplify right side
    16,902.98x = 359,309,561.91
  5. Step 5: Solve for x
    x = 359,309,561.91/16,902.98
  6. Step 6: Final answer
    x = 21,257.17

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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.