Home / 16,920.90-23,352.30-9,847.98

Finding the Fourth Proportional to 16,920.90, 23,352.30 and 9,847.98

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Solution

The fourth proportional to 16,920.90, 23,352.30 and 9,847.98 is: 13,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.90 : 23,352.30 = 9,847.98 : x
  2. Step 2: Convert to fraction form
    16,920.90/23,352.30 = 9,847.98/x
  3. Step 3: Cross multiply
    16,920.90x = 23,352.30 × 9,847.98
  4. Step 4: Simplify right side
    16,920.90x = 229,972,983.35
  5. Step 5: Solve for x
    x = 229,972,983.35/16,920.90
  6. Step 6: Final answer
    x = 13,591.06

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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.