Home / 19,718.31-27,210.24-10,764.09

Finding the Fourth Proportional to 19,718.31, 27,210.24 and 10,764.09

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Solution

The fourth proportional to 19,718.31, 27,210.24 and 10,764.09 is: 14,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.31 : 27,210.24 = 10,764.09 : x
  2. Step 2: Convert to fraction form
    19,718.31/27,210.24 = 10,764.09/x
  3. Step 3: Cross multiply
    19,718.31x = 27,210.24 × 10,764.09
  4. Step 4: Simplify right side
    19,718.31x = 292,893,472.28
  5. Step 5: Solve for x
    x = 292,893,472.28/19,718.31
  6. Step 6: Final answer
    x = 14,853.88

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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.