Home / 11,029.52-15,220.98-6,782.86

Finding the Fourth Proportional to 11,029.52, 15,220.98 and 6,782.86

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Solution

The fourth proportional to 11,029.52, 15,220.98 and 6,782.86 is: 9,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.52 : 15,220.98 = 6,782.86 : x
  2. Step 2: Convert to fraction form
    11,029.52/15,220.98 = 6,782.86/x
  3. Step 3: Cross multiply
    11,029.52x = 15,220.98 × 6,782.86
  4. Step 4: Simplify right side
    11,029.52x = 103,241,776.40
  5. Step 5: Solve for x
    x = 103,241,776.40/11,029.52
  6. Step 6: Final answer
    x = 9,360.50

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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.