Home / 15,480.23-21,366.11-10,175.54

Finding the Fourth Proportional to 15,480.23, 21,366.11 and 10,175.54

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Solution

The fourth proportional to 15,480.23, 21,366.11 and 10,175.54 is: 14,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.23 : 21,366.11 = 10,175.54 : x
  2. Step 2: Convert to fraction form
    15,480.23/21,366.11 = 10,175.54/x
  3. Step 3: Cross multiply
    15,480.23x = 21,366.11 × 10,175.54
  4. Step 4: Simplify right side
    15,480.23x = 217,411,625.56
  5. Step 5: Solve for x
    x = 217,411,625.56/15,480.23
  6. Step 6: Final answer
    x = 14,044.47

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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.