Home / 19,718.12-27,211.05-10,765.70

Finding the Fourth Proportional to 19,718.12, 27,211.05 and 10,765.70

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Solution

The fourth proportional to 19,718.12, 27,211.05 and 10,765.70 is: 14,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.12 : 27,211.05 = 10,765.70 : x
  2. Step 2: Convert to fraction form
    19,718.12/27,211.05 = 10,765.70/x
  3. Step 3: Cross multiply
    19,718.12x = 27,211.05 × 10,765.70
  4. Step 4: Simplify right side
    19,718.12x = 292,945,864.93
  5. Step 5: Solve for x
    x = 292,945,864.93/19,718.12
  6. Step 6: Final answer
    x = 14,856.69

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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.