Home / 9,650.97-13,320.41-6,287.76

Finding the Fourth Proportional to 9,650.97, 13,320.41 and 6,287.76

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Solution

The fourth proportional to 9,650.97, 13,320.41 and 6,287.76 is: 8,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,650.97 : 13,320.41 = 6,287.76 : x
  2. Step 2: Convert to fraction form
    9,650.97/13,320.41 = 6,287.76/x
  3. Step 3: Cross multiply
    9,650.97x = 13,320.41 × 6,287.76
  4. Step 4: Simplify right side
    9,650.97x = 83,755,509.74
  5. Step 5: Solve for x
    x = 83,755,509.74/9,650.97
  6. Step 6: Final answer
    x = 8,678.46

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1.5x scale

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.