Home / 19,869.12-27,416.16-11,484

Finding the Fourth Proportional to 19,869.12, 27,416.16 and 11,484

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Solution

The fourth proportional to 19,869.12, 27,416.16 and 11,484 is: 15,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.12 : 27,416.16 = 11,484 : x
  2. Step 2: Convert to fraction form
    19,869.12/27,416.16 = 11,484/x
  3. Step 3: Cross multiply
    19,869.12x = 27,416.16 × 11,484
  4. Step 4: Simplify right side
    19,869.12x = 314,847,181.44
  5. Step 5: Solve for x
    x = 314,847,181.44/19,869.12
  6. Step 6: Final answer
    x = 15,846.06

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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.