Home / 17,921.63-26,889.02-6,238.19

Finding the Fourth Proportional to 17,921.63, 26,889.02 and 6,238.19

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Solution

The fourth proportional to 17,921.63, 26,889.02 and 6,238.19 is: 9,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.63 : 26,889.02 = 6,238.19 : x
  2. Step 2: Convert to fraction form
    17,921.63/26,889.02 = 6,238.19/x
  3. Step 3: Cross multiply
    17,921.63x = 26,889.02 × 6,238.19
  4. Step 4: Simplify right side
    17,921.63x = 167,738,815.67
  5. Step 5: Solve for x
    x = 167,738,815.67/17,921.63
  6. Step 6: Final answer
    x = 9,359.57

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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.