Home / 15,239.91-21,032.82-8,527.23

Finding the Fourth Proportional to 15,239.91, 21,032.82 and 8,527.23

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Solution

The fourth proportional to 15,239.91, 21,032.82 and 8,527.23 is: 11,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.91 : 21,032.82 = 8,527.23 : x
  2. Step 2: Convert to fraction form
    15,239.91/21,032.82 = 8,527.23/x
  3. Step 3: Cross multiply
    15,239.91x = 21,032.82 × 8,527.23
  4. Step 4: Simplify right side
    15,239.91x = 179,351,693.69
  5. Step 5: Solve for x
    x = 179,351,693.69/15,239.91
  6. Step 6: Final answer
    x = 11,768.55

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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.