Home / 15,541.23-21,446.70-8,467.68

Finding the Fourth Proportional to 15,541.23, 21,446.70 and 8,467.68

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Solution

The fourth proportional to 15,541.23, 21,446.70 and 8,467.68 is: 11,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.23 : 21,446.70 = 8,467.68 : x
  2. Step 2: Convert to fraction form
    15,541.23/21,446.70 = 8,467.68/x
  3. Step 3: Cross multiply
    15,541.23x = 21,446.70 × 8,467.68
  4. Step 4: Simplify right side
    15,541.23x = 181,603,792.66
  5. Step 5: Solve for x
    x = 181,603,792.66/15,541.23
  6. Step 6: Final answer
    x = 11,685.29

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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.