Home / 19,719.64-27,212.82-10,767.52

Finding the Fourth Proportional to 19,719.64, 27,212.82 and 10,767.52

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Solution

The fourth proportional to 19,719.64, 27,212.82 and 10,767.52 is: 14,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.64 : 27,212.82 = 10,767.52 : x
  2. Step 2: Convert to fraction form
    19,719.64/27,212.82 = 10,767.52/x
  3. Step 3: Cross multiply
    19,719.64x = 27,212.82 × 10,767.52
  4. Step 4: Simplify right side
    19,719.64x = 293,014,583.61
  5. Step 5: Solve for x
    x = 293,014,583.61/19,719.64
  6. Step 6: Final answer
    x = 14,859.02

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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.