Home / 15,734.91-21,717.87-9,020.41

Finding the Fourth Proportional to 15,734.91, 21,717.87 and 9,020.41

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Solution

The fourth proportional to 15,734.91, 21,717.87 and 9,020.41 is: 12,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734.91 : 21,717.87 = 9,020.41 : x
  2. Step 2: Convert to fraction form
    15,734.91/21,717.87 = 9,020.41/x
  3. Step 3: Cross multiply
    15,734.91x = 21,717.87 × 9,020.41
  4. Step 4: Simplify right side
    15,734.91x = 195,904,176.51
  5. Step 5: Solve for x
    x = 195,904,176.51/15,734.91
  6. Step 6: Final answer
    x = 12,450.29

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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.