Home / 8,011.06-11,060.47-7,170.31

Finding the Fourth Proportional to 8,011.06, 11,060.47 and 7,170.31

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Solution

The fourth proportional to 8,011.06, 11,060.47 and 7,170.31 is: 9,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.06 : 11,060.47 = 7,170.31 : x
  2. Step 2: Convert to fraction form
    8,011.06/11,060.47 = 7,170.31/x
  3. Step 3: Cross multiply
    8,011.06x = 11,060.47 × 7,170.31
  4. Step 4: Simplify right side
    8,011.06x = 79,306,998.65
  5. Step 5: Solve for x
    x = 79,306,998.65/8,011.06
  6. Step 6: Final answer
    x = 9,899.69

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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.