Home / 17,989.18-26,977.29-7,601.74

Finding the Fourth Proportional to 17,989.18, 26,977.29 and 7,601.74

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Solution

The fourth proportional to 17,989.18, 26,977.29 and 7,601.74 is: 11,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.18 : 26,977.29 = 7,601.74 : x
  2. Step 2: Convert to fraction form
    17,989.18/26,977.29 = 7,601.74/x
  3. Step 3: Cross multiply
    17,989.18x = 26,977.29 × 7,601.74
  4. Step 4: Simplify right side
    17,989.18x = 205,074,344.48
  5. Step 5: Solve for x
    x = 205,074,344.48/17,989.18
  6. Step 6: Final answer
    x = 11,399.87

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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.