Home / 9,989.12-14,983.88-3,063.64

Finding the Fourth Proportional to 9,989.12, 14,983.88 and 3,063.64

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Solution

The fourth proportional to 9,989.12, 14,983.88 and 3,063.64 is: 4,595.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.12 : 14,983.88 = 3,063.64 : x
  2. Step 2: Convert to fraction form
    9,989.12/14,983.88 = 3,063.64/x
  3. Step 3: Cross multiply
    9,989.12x = 14,983.88 × 3,063.64
  4. Step 4: Simplify right side
    9,989.12x = 45,905,214.12
  5. Step 5: Solve for x
    x = 45,905,214.12/9,989.12
  6. Step 6: Final answer
    x = 4,595.52

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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.