Home / 12,157.20-16,775.91-6,852.87

Finding the Fourth Proportional to 12,157.20, 16,775.91 and 6,852.87

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Solution

The fourth proportional to 12,157.20, 16,775.91 and 6,852.87 is: 9,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157.20 : 16,775.91 = 6,852.87 : x
  2. Step 2: Convert to fraction form
    12,157.20/16,775.91 = 6,852.87/x
  3. Step 3: Cross multiply
    12,157.20x = 16,775.91 × 6,852.87
  4. Step 4: Simplify right side
    12,157.20x = 114,963,130.36
  5. Step 5: Solve for x
    x = 114,963,130.36/12,157.20
  6. Step 6: Final answer
    x = 9,456.38

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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.