Home / 12,730.83-17,568.73-7,065.69

Finding the Fourth Proportional to 12,730.83, 17,568.73 and 7,065.69

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Solution

The fourth proportional to 12,730.83, 17,568.73 and 7,065.69 is: 9,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730.83 : 17,568.73 = 7,065.69 : x
  2. Step 2: Convert to fraction form
    12,730.83/17,568.73 = 7,065.69/x
  3. Step 3: Cross multiply
    12,730.83x = 17,568.73 × 7,065.69
  4. Step 4: Simplify right side
    12,730.83x = 124,135,199.87
  5. Step 5: Solve for x
    x = 124,135,199.87/12,730.83
  6. Step 6: Final answer
    x = 9,750.75

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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.