Home / 17,959.15-26,936.56-4,812.58

Finding the Fourth Proportional to 17,959.15, 26,936.56 and 4,812.58

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Solution

The fourth proportional to 17,959.15, 26,936.56 and 4,812.58 is: 7,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.15 : 26,936.56 = 4,812.58 : x
  2. Step 2: Convert to fraction form
    17,959.15/26,936.56 = 4,812.58/x
  3. Step 3: Cross multiply
    17,959.15x = 26,936.56 × 4,812.58
  4. Step 4: Simplify right side
    17,959.15x = 129,634,349.92
  5. Step 5: Solve for x
    x = 129,634,349.92/17,959.15
  6. Step 6: Final answer
    x = 7,218.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.