Home / 19,724.76-27,219.16-10,770.55

Finding the Fourth Proportional to 19,724.76, 27,219.16 and 10,770.55

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Solution

The fourth proportional to 19,724.76, 27,219.16 and 10,770.55 is: 14,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.76 : 27,219.16 = 10,770.55 : x
  2. Step 2: Convert to fraction form
    19,724.76/27,219.16 = 10,770.55/x
  3. Step 3: Cross multiply
    19,724.76x = 27,219.16 × 10,770.55
  4. Step 4: Simplify right side
    19,724.76x = 293,165,323.74
  5. Step 5: Solve for x
    x = 293,165,323.74/19,724.76
  6. Step 6: Final answer
    x = 14,862.81

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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.