Home / 17,986.08-26,991.28-6,299.40

Finding the Fourth Proportional to 17,986.08, 26,991.28 and 6,299.40

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Solution

The fourth proportional to 17,986.08, 26,991.28 and 6,299.40 is: 9,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.08 : 26,991.28 = 6,299.40 : x
  2. Step 2: Convert to fraction form
    17,986.08/26,991.28 = 6,299.40/x
  3. Step 3: Cross multiply
    17,986.08x = 26,991.28 × 6,299.40
  4. Step 4: Simplify right side
    17,986.08x = 170,028,869.23
  5. Step 5: Solve for x
    x = 170,028,869.23/17,986.08
  6. Step 6: Final answer
    x = 9,453.36

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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.