Home / 12,015.52-16,581.80-6,710.20

Finding the Fourth Proportional to 12,015.52, 16,581.80 and 6,710.20

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Solution

The fourth proportional to 12,015.52, 16,581.80 and 6,710.20 is: 9,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.52 : 16,581.80 = 6,710.20 : x
  2. Step 2: Convert to fraction form
    12,015.52/16,581.80 = 6,710.20/x
  3. Step 3: Cross multiply
    12,015.52x = 16,581.80 × 6,710.20
  4. Step 4: Simplify right side
    12,015.52x = 111,267,194.36
  5. Step 5: Solve for x
    x = 111,267,194.36/12,015.52
  6. Step 6: Final answer
    x = 9,260.29

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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.