Home / 15,486.35-21,374.57-10,181.66

Finding the Fourth Proportional to 15,486.35, 21,374.57 and 10,181.66

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Solution

The fourth proportional to 15,486.35, 21,374.57 and 10,181.66 is: 14,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,486.35 : 21,374.57 = 10,181.66 : x
  2. Step 2: Convert to fraction form
    15,486.35/21,374.57 = 10,181.66/x
  3. Step 3: Cross multiply
    15,486.35x = 21,374.57 × 10,181.66
  4. Step 4: Simplify right side
    15,486.35x = 217,628,553.48
  5. Step 5: Solve for x
    x = 217,628,553.48/15,486.35
  6. Step 6: Final answer
    x = 14,052.93

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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.