Home / 19,766.32-27,274.55-11,269.19

Finding the Fourth Proportional to 19,766.32, 27,274.55 and 11,269.19

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Solution

The fourth proportional to 19,766.32, 27,274.55 and 11,269.19 is: 15,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.32 : 27,274.55 = 11,269.19 : x
  2. Step 2: Convert to fraction form
    19,766.32/27,274.55 = 11,269.19/x
  3. Step 3: Cross multiply
    19,766.32x = 27,274.55 × 11,269.19
  4. Step 4: Simplify right side
    19,766.32x = 307,362,086.11
  5. Step 5: Solve for x
    x = 307,362,086.11/19,766.32
  6. Step 6: Final answer
    x = 15,549.79

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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.