Home / 8,085.16-11,177.40-8,011.24

Finding the Fourth Proportional to 8,085.16, 11,177.40 and 8,011.24

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Solution

The fourth proportional to 8,085.16, 11,177.40 and 8,011.24 is: 11,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.16 : 11,177.40 = 8,011.24 : x
  2. Step 2: Convert to fraction form
    8,085.16/11,177.40 = 8,011.24/x
  3. Step 3: Cross multiply
    8,085.16x = 11,177.40 × 8,011.24
  4. Step 4: Simplify right side
    8,085.16x = 89,544,833.98
  5. Step 5: Solve for x
    x = 89,544,833.98/8,085.16
  6. Step 6: Final answer
    x = 11,075.21

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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.