Home / 19,617.39-27,071.42-10,664.66

Finding the Fourth Proportional to 19,617.39, 27,071.42 and 10,664.66

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Solution

The fourth proportional to 19,617.39, 27,071.42 and 10,664.66 is: 14,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.39 : 27,071.42 = 10,664.66 : x
  2. Step 2: Convert to fraction form
    19,617.39/27,071.42 = 10,664.66/x
  3. Step 3: Cross multiply
    19,617.39x = 27,071.42 × 10,664.66
  4. Step 4: Simplify right side
    19,617.39x = 288,707,301.34
  5. Step 5: Solve for x
    x = 288,707,301.34/19,617.39
  6. Step 6: Final answer
    x = 14,716.91

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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.