Home / 10,650.07-14,694.63-6,399.70

Finding the Fourth Proportional to 10,650.07, 14,694.63 and 6,399.70

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Solution

The fourth proportional to 10,650.07, 14,694.63 and 6,399.70 is: 8,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.07 : 14,694.63 = 6,399.70 : x
  2. Step 2: Convert to fraction form
    10,650.07/14,694.63 = 6,399.70/x
  3. Step 3: Cross multiply
    10,650.07x = 14,694.63 × 6,399.70
  4. Step 4: Simplify right side
    10,650.07x = 94,041,223.61
  5. Step 5: Solve for x
    x = 94,041,223.61/10,650.07
  6. Step 6: Final answer
    x = 8,830.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.