Home / 15,480.35-21,366.29-10,175.66

Finding the Fourth Proportional to 15,480.35, 21,366.29 and 10,175.66

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Solution

The fourth proportional to 15,480.35, 21,366.29 and 10,175.66 is: 14,044.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.35 : 21,366.29 = 10,175.66 : x
  2. Step 2: Convert to fraction form
    15,480.35/21,366.29 = 10,175.66/x
  3. Step 3: Cross multiply
    15,480.35x = 21,366.29 × 10,175.66
  4. Step 4: Simplify right side
    15,480.35x = 217,416,051.62
  5. Step 5: Solve for x
    x = 217,416,051.62/15,480.35
  6. Step 6: Final answer
    x = 14,044.65

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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.