Home / 19,718.60-27,212.01-10,766.18

Finding the Fourth Proportional to 19,718.60, 27,212.01 and 10,766.18

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Solution

The fourth proportional to 19,718.60, 27,212.01 and 10,766.18 is: 14,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.60 : 27,212.01 = 10,766.18 : x
  2. Step 2: Convert to fraction form
    19,718.60/27,212.01 = 10,766.18/x
  3. Step 3: Cross multiply
    19,718.60x = 27,212.01 × 10,766.18
  4. Step 4: Simplify right side
    19,718.60x = 292,969,397.82
  5. Step 5: Solve for x
    x = 292,969,397.82/19,718.60
  6. Step 6: Final answer
    x = 14,857.52

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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.