Home / 19,718.03-27,211.30-10,765.91

Finding the Fourth Proportional to 19,718.03, 27,211.30 and 10,765.91

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Solution

The fourth proportional to 19,718.03, 27,211.30 and 10,765.91 is: 14,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.03 : 27,211.30 = 10,765.91 : x
  2. Step 2: Convert to fraction form
    19,718.03/27,211.30 = 10,765.91/x
  3. Step 3: Cross multiply
    19,718.03x = 27,211.30 × 10,765.91
  4. Step 4: Simplify right side
    19,718.03x = 292,954,406.78
  5. Step 5: Solve for x
    x = 292,954,406.78/19,718.03
  6. Step 6: Final answer
    x = 14,857.18

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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.