Home / 9,929.64-14,865.30-7,834.98

Finding the Fourth Proportional to 9,929.64, 14,865.30 and 7,834.98

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Solution

The fourth proportional to 9,929.64, 14,865.30 and 7,834.98 is: 11,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.64 : 14,865.30 = 7,834.98 : x
  2. Step 2: Convert to fraction form
    9,929.64/14,865.30 = 7,834.98/x
  3. Step 3: Cross multiply
    9,929.64x = 14,865.30 × 7,834.98
  4. Step 4: Simplify right side
    9,929.64x = 116,469,328.19
  5. Step 5: Solve for x
    x = 116,469,328.19/9,929.64
  6. Step 6: Final answer
    x = 11,729.46

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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.