Home / 13,768.75-20,653.13-4,535.47

Finding the Fourth Proportional to 13,768.75, 20,653.13 and 4,535.47

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Solution

The fourth proportional to 13,768.75, 20,653.13 and 4,535.47 is: 6,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.75 : 20,653.13 = 4,535.47 : x
  2. Step 2: Convert to fraction form
    13,768.75/20,653.13 = 4,535.47/x
  3. Step 3: Cross multiply
    13,768.75x = 20,653.13 × 4,535.47
  4. Step 4: Simplify right side
    13,768.75x = 93,671,651.52
  5. Step 5: Solve for x
    x = 93,671,651.52/13,768.75
  6. Step 6: Final answer
    x = 6,803.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.