Home / 11,050.77-15,255.50-8,656.48

Finding the Fourth Proportional to 11,050.77, 15,255.50 and 8,656.48

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Solution

The fourth proportional to 11,050.77, 15,255.50 and 8,656.48 is: 11,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,050.77 : 15,255.50 = 8,656.48 : x
  2. Step 2: Convert to fraction form
    11,050.77/15,255.50 = 8,656.48/x
  3. Step 3: Cross multiply
    11,050.77x = 15,255.50 × 8,656.48
  4. Step 4: Simplify right side
    11,050.77x = 132,058,849.22
  5. Step 5: Solve for x
    x = 132,058,849.22/11,050.77
  6. Step 6: Final answer
    x = 11,950.19

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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.