Home / 8,150.16-11,203.98-7,011.68

Finding the Fourth Proportional to 8,150.16, 11,203.98 and 7,011.68

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Solution

The fourth proportional to 8,150.16, 11,203.98 and 7,011.68 is: 9,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.16 : 11,203.98 = 7,011.68 : x
  2. Step 2: Convert to fraction form
    8,150.16/11,203.98 = 7,011.68/x
  3. Step 3: Cross multiply
    8,150.16x = 11,203.98 × 7,011.68
  4. Step 4: Simplify right side
    8,150.16x = 78,558,722.49
  5. Step 5: Solve for x
    x = 78,558,722.49/8,150.16
  6. Step 6: Final answer
    x = 9,638.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.