Home / 17,380.68-23,979.70-9,826.28

Finding the Fourth Proportional to 17,380.68, 23,979.70 and 9,826.28

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Solution

The fourth proportional to 17,380.68, 23,979.70 and 9,826.28 is: 13,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.68 : 23,979.70 = 9,826.28 : x
  2. Step 2: Convert to fraction form
    17,380.68/23,979.70 = 9,826.28/x
  3. Step 3: Cross multiply
    17,380.68x = 23,979.70 × 9,826.28
  4. Step 4: Simplify right side
    17,380.68x = 235,631,246.52
  5. Step 5: Solve for x
    x = 235,631,246.52/17,380.68
  6. Step 6: Final answer
    x = 13,557.08

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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.