Home / 18,955.56-26,156.88-10,995.96

Finding the Fourth Proportional to 18,955.56, 26,156.88 and 10,995.96

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Solution

The fourth proportional to 18,955.56, 26,156.88 and 10,995.96 is: 15,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.56 : 26,156.88 = 10,995.96 : x
  2. Step 2: Convert to fraction form
    18,955.56/26,156.88 = 10,995.96/x
  3. Step 3: Cross multiply
    18,955.56x = 26,156.88 × 10,995.96
  4. Step 4: Simplify right side
    18,955.56x = 287,620,006.20
  5. Step 5: Solve for x
    x = 287,620,006.20/18,955.56
  6. Step 6: Final answer
    x = 15,173.38

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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.