Home / 8,759.16-13,121.46-6,570.36

Finding the Fourth Proportional to 8,759.16, 13,121.46 and 6,570.36

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Solution

The fourth proportional to 8,759.16, 13,121.46 and 6,570.36 is: 9,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.16 : 13,121.46 = 6,570.36 : x
  2. Step 2: Convert to fraction form
    8,759.16/13,121.46 = 6,570.36/x
  3. Step 3: Cross multiply
    8,759.16x = 13,121.46 × 6,570.36
  4. Step 4: Simplify right side
    8,759.16x = 86,212,715.93
  5. Step 5: Solve for x
    x = 86,212,715.93/8,759.16
  6. Step 6: Final answer
    x = 9,842.58

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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.