Home / 19,719.29-27,213.32-10,767.58

Finding the Fourth Proportional to 19,719.29, 27,213.32 and 10,767.58

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Solution

The fourth proportional to 19,719.29, 27,213.32 and 10,767.58 is: 14,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.29 : 27,213.32 = 10,767.58 : x
  2. Step 2: Convert to fraction form
    19,719.29/27,213.32 = 10,767.58/x
  3. Step 3: Cross multiply
    19,719.29x = 27,213.32 × 10,767.58
  4. Step 4: Simplify right side
    19,719.29x = 293,021,600.17
  5. Step 5: Solve for x
    x = 293,021,600.17/19,719.29
  6. Step 6: Final answer
    x = 14,859.64

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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.