Home / 11,639.52-17,458.86-5,065.71

Finding the Fourth Proportional to 11,639.52, 17,458.86 and 5,065.71

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Solution

The fourth proportional to 11,639.52, 17,458.86 and 5,065.71 is: 7,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.52 : 17,458.86 = 5,065.71 : x
  2. Step 2: Convert to fraction form
    11,639.52/17,458.86 = 5,065.71/x
  3. Step 3: Cross multiply
    11,639.52x = 17,458.86 × 5,065.71
  4. Step 4: Simplify right side
    11,639.52x = 88,441,521.69
  5. Step 5: Solve for x
    x = 88,441,521.69/11,639.52
  6. Step 6: Final answer
    x = 7,598.38

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1.5x scale

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.