Home / 19,720.14-27,213.93-10,767.71

Finding the Fourth Proportional to 19,720.14, 27,213.93 and 10,767.71

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Solution

The fourth proportional to 19,720.14, 27,213.93 and 10,767.71 is: 14,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.14 : 27,213.93 = 10,767.71 : x
  2. Step 2: Convert to fraction form
    19,720.14/27,213.93 = 10,767.71/x
  3. Step 3: Cross multiply
    19,720.14x = 27,213.93 × 10,767.71
  4. Step 4: Simplify right side
    19,720.14x = 293,031,516.29
  5. Step 5: Solve for x
    x = 293,031,516.29/19,720.14
  6. Step 6: Final answer
    x = 14,859.50

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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.