Home / 15,209.41-20,836.53-14,640.85

Finding the Fourth Proportional to 15,209.41, 20,836.53 and 14,640.85

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Solution

The fourth proportional to 15,209.41, 20,836.53 and 14,640.85 is: 20,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.41 : 20,836.53 = 14,640.85 : x
  2. Step 2: Convert to fraction form
    15,209.41/20,836.53 = 14,640.85/x
  3. Step 3: Cross multiply
    15,209.41x = 20,836.53 × 14,640.85
  4. Step 4: Simplify right side
    15,209.41x = 305,064,510.25
  5. Step 5: Solve for x
    x = 305,064,510.25/15,209.41
  6. Step 6: Final answer
    x = 20,057.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.