Home / 9,651.47-13,320.45-6,115.01

Finding the Fourth Proportional to 9,651.47, 13,320.45 and 6,115.01

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Solution

The fourth proportional to 9,651.47, 13,320.45 and 6,115.01 is: 8,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.47 : 13,320.45 = 6,115.01 : x
  2. Step 2: Convert to fraction form
    9,651.47/13,320.45 = 6,115.01/x
  3. Step 3: Cross multiply
    9,651.47x = 13,320.45 × 6,115.01
  4. Step 4: Simplify right side
    9,651.47x = 81,454,618.35
  5. Step 5: Solve for x
    x = 81,454,618.35/9,651.47
  6. Step 6: Final answer
    x = 8,439.61

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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.