Home / 16,352.65-22,571.49-9,640.45

Finding the Fourth Proportional to 16,352.65, 22,571.49 and 9,640.45

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Solution

The fourth proportional to 16,352.65, 22,571.49 and 9,640.45 is: 13,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,352.65 : 22,571.49 = 9,640.45 : x
  2. Step 2: Convert to fraction form
    16,352.65/22,571.49 = 9,640.45/x
  3. Step 3: Cross multiply
    16,352.65x = 22,571.49 × 9,640.45
  4. Step 4: Simplify right side
    16,352.65x = 217,599,320.77
  5. Step 5: Solve for x
    x = 217,599,320.77/16,352.65
  6. Step 6: Final answer
    x = 13,306.67

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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.