Home / 11,300.11-15,594.90-6,520.91

Finding the Fourth Proportional to 11,300.11, 15,594.90 and 6,520.91

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Solution

The fourth proportional to 11,300.11, 15,594.90 and 6,520.91 is: 8,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.11 : 15,594.90 = 6,520.91 : x
  2. Step 2: Convert to fraction form
    11,300.11/15,594.90 = 6,520.91/x
  3. Step 3: Cross multiply
    11,300.11x = 15,594.90 × 6,520.91
  4. Step 4: Simplify right side
    11,300.11x = 101,692,891.95
  5. Step 5: Solve for x
    x = 101,692,891.95/11,300.11
  6. Step 6: Final answer
    x = 8,999.29

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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.