Home / 15,914.24-21,946.47-11,603.42

Finding the Fourth Proportional to 15,914.24, 21,946.47 and 11,603.42

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Solution

The fourth proportional to 15,914.24, 21,946.47 and 11,603.42 is: 16,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.24 : 21,946.47 = 11,603.42 : x
  2. Step 2: Convert to fraction form
    15,914.24/21,946.47 = 11,603.42/x
  3. Step 3: Cross multiply
    15,914.24x = 21,946.47 × 11,603.42
  4. Step 4: Simplify right side
    15,914.24x = 254,654,108.93
  5. Step 5: Solve for x
    x = 254,654,108.93/15,914.24
  6. Step 6: Final answer
    x = 16,001.65

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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.