Home / 19,865.76-27,414.86-10,913.04

Finding the Fourth Proportional to 19,865.76, 27,414.86 and 10,913.04

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Solution

The fourth proportional to 19,865.76, 27,414.86 and 10,913.04 is: 15,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.76 : 27,414.86 = 10,913.04 : x
  2. Step 2: Convert to fraction form
    19,865.76/27,414.86 = 10,913.04/x
  3. Step 3: Cross multiply
    19,865.76x = 27,414.86 × 10,913.04
  4. Step 4: Simplify right side
    19,865.76x = 299,179,409.21
  5. Step 5: Solve for x
    x = 299,179,409.21/19,865.76
  6. Step 6: Final answer
    x = 15,060.05

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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.