Home / 19,616.79-27,071.34-10,664.29

Finding the Fourth Proportional to 19,616.79, 27,071.34 and 10,664.29

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Solution

The fourth proportional to 19,616.79, 27,071.34 and 10,664.29 is: 14,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.79 : 27,071.34 = 10,664.29 : x
  2. Step 2: Convert to fraction form
    19,616.79/27,071.34 = 10,664.29/x
  3. Step 3: Cross multiply
    19,616.79x = 27,071.34 × 10,664.29
  4. Step 4: Simplify right side
    19,616.79x = 288,696,620.45
  5. Step 5: Solve for x
    x = 288,696,620.45/19,616.79
  6. Step 6: Final answer
    x = 14,716.81

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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.