Home / 9,983.46-14,946.30-7,785.66

Finding the Fourth Proportional to 9,983.46, 14,946.30 and 7,785.66

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Solution

The fourth proportional to 9,983.46, 14,946.30 and 7,785.66 is: 11,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.46 : 14,946.30 = 7,785.66 : x
  2. Step 2: Convert to fraction form
    9,983.46/14,946.30 = 7,785.66/x
  3. Step 3: Cross multiply
    9,983.46x = 14,946.30 × 7,785.66
  4. Step 4: Simplify right side
    9,983.46x = 116,366,810.06
  5. Step 5: Solve for x
    x = 116,366,810.06/9,983.46
  6. Step 6: Final answer
    x = 11,655.96

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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.