Home / 19,614.45-27,066.81-10,661.88

Finding the Fourth Proportional to 19,614.45, 27,066.81 and 10,661.88

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Solution

The fourth proportional to 19,614.45, 27,066.81 and 10,661.88 is: 14,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.45 : 27,066.81 = 10,661.88 : x
  2. Step 2: Convert to fraction form
    19,614.45/27,066.81 = 10,661.88/x
  3. Step 3: Cross multiply
    19,614.45x = 27,066.81 × 10,661.88
  4. Step 4: Simplify right side
    19,614.45x = 288,583,080.20
  5. Step 5: Solve for x
    x = 288,583,080.20/19,614.45
  6. Step 6: Final answer
    x = 14,712.78

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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.