Home / 19,660.19-27,130.92-10,707.66

Finding the Fourth Proportional to 19,660.19, 27,130.92 and 10,707.66

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Solution

The fourth proportional to 19,660.19, 27,130.92 and 10,707.66 is: 14,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.19 : 27,130.92 = 10,707.66 : x
  2. Step 2: Convert to fraction form
    19,660.19/27,130.92 = 10,707.66/x
  3. Step 3: Cross multiply
    19,660.19x = 27,130.92 × 10,707.66
  4. Step 4: Simplify right side
    19,660.19x = 290,508,626.69
  5. Step 5: Solve for x
    x = 290,508,626.69/19,660.19
  6. Step 6: Final answer
    x = 14,776.50

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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.