Home / 11,013.76-15,199.41-6,539.86

Finding the Fourth Proportional to 11,013.76, 15,199.41 and 6,539.86

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Solution

The fourth proportional to 11,013.76, 15,199.41 and 6,539.86 is: 9,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.76 : 15,199.41 = 6,539.86 : x
  2. Step 2: Convert to fraction form
    11,013.76/15,199.41 = 6,539.86/x
  3. Step 3: Cross multiply
    11,013.76x = 15,199.41 × 6,539.86
  4. Step 4: Simplify right side
    11,013.76x = 99,402,013.48
  5. Step 5: Solve for x
    x = 99,402,013.48/11,013.76
  6. Step 6: Final answer
    x = 9,025.26

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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.