Home / 9,639.64-14,439.22-6,127.88

Finding the Fourth Proportional to 9,639.64, 14,439.22 and 6,127.88

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Solution

The fourth proportional to 9,639.64, 14,439.22 and 6,127.88 is: 9,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.64 : 14,439.22 = 6,127.88 : x
  2. Step 2: Convert to fraction form
    9,639.64/14,439.22 = 6,127.88/x
  3. Step 3: Cross multiply
    9,639.64x = 14,439.22 × 6,127.88
  4. Step 4: Simplify right side
    9,639.64x = 88,481,807.45
  5. Step 5: Solve for x
    x = 88,481,807.45/9,639.64
  6. Step 6: Final answer
    x = 9,178.95

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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.