Home / 16,977.87-23,428.41-9,423.75

Finding the Fourth Proportional to 16,977.87, 23,428.41 and 9,423.75

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Solution

The fourth proportional to 16,977.87, 23,428.41 and 9,423.75 is: 13,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.87 : 23,428.41 = 9,423.75 : x
  2. Step 2: Convert to fraction form
    16,977.87/23,428.41 = 9,423.75/x
  3. Step 3: Cross multiply
    16,977.87x = 23,428.41 × 9,423.75
  4. Step 4: Simplify right side
    16,977.87x = 220,783,435.82
  5. Step 5: Solve for x
    x = 220,783,435.82/16,977.87
  6. Step 6: Final answer
    x = 13,004.19

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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.