Home / 19,612.89-27,066.06-10,660.39

Finding the Fourth Proportional to 19,612.89, 27,066.06 and 10,660.39

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Solution

The fourth proportional to 19,612.89, 27,066.06 and 10,660.39 is: 14,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.89 : 27,066.06 = 10,660.39 : x
  2. Step 2: Convert to fraction form
    19,612.89/27,066.06 = 10,660.39/x
  3. Step 3: Cross multiply
    19,612.89x = 27,066.06 × 10,660.39
  4. Step 4: Simplify right side
    19,612.89x = 288,534,755.36
  5. Step 5: Solve for x
    x = 288,534,755.36/19,612.89
  6. Step 6: Final answer
    x = 14,711.49

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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.