Home / 19,707.87-27,196.78-10,755.45

Finding the Fourth Proportional to 19,707.87, 27,196.78 and 10,755.45

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Solution

The fourth proportional to 19,707.87, 27,196.78 and 10,755.45 is: 14,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.87 : 27,196.78 = 10,755.45 : x
  2. Step 2: Convert to fraction form
    19,707.87/27,196.78 = 10,755.45/x
  3. Step 3: Cross multiply
    19,707.87x = 27,196.78 × 10,755.45
  4. Step 4: Simplify right side
    19,707.87x = 292,513,607.45
  5. Step 5: Solve for x
    x = 292,513,607.45/19,707.87
  6. Step 6: Final answer
    x = 14,842.48

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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.