Home / 16,380.88-22,605.70-9,307.70

Finding the Fourth Proportional to 16,380.88, 22,605.70 and 9,307.70

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Solution

The fourth proportional to 16,380.88, 22,605.70 and 9,307.70 is: 12,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380.88 : 22,605.70 = 9,307.70 : x
  2. Step 2: Convert to fraction form
    16,380.88/22,605.70 = 9,307.70/x
  3. Step 3: Cross multiply
    16,380.88x = 22,605.70 × 9,307.70
  4. Step 4: Simplify right side
    16,380.88x = 210,407,073.89
  5. Step 5: Solve for x
    x = 210,407,073.89/16,380.88
  6. Step 6: Final answer
    x = 12,844.67

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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.