Home / 13,984.17-20,977.20-4,750.17

Finding the Fourth Proportional to 13,984.17, 20,977.20 and 4,750.17

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Solution

The fourth proportional to 13,984.17, 20,977.20 and 4,750.17 is: 7,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.17 : 20,977.20 = 4,750.17 : x
  2. Step 2: Convert to fraction form
    13,984.17/20,977.20 = 4,750.17/x
  3. Step 3: Cross multiply
    13,984.17x = 20,977.20 × 4,750.17
  4. Step 4: Simplify right side
    13,984.17x = 99,645,266.12
  5. Step 5: Solve for x
    x = 99,645,266.12/13,984.17
  6. Step 6: Final answer
    x = 7,125.58

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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.