Home / 11,156.24-15,395.60-6,120.50

Finding the Fourth Proportional to 11,156.24, 15,395.60 and 6,120.50

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Solution

The fourth proportional to 11,156.24, 15,395.60 and 6,120.50 is: 8,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.24 : 15,395.60 = 6,120.50 : x
  2. Step 2: Convert to fraction form
    11,156.24/15,395.60 = 6,120.50/x
  3. Step 3: Cross multiply
    11,156.24x = 15,395.60 × 6,120.50
  4. Step 4: Simplify right side
    11,156.24x = 94,228,708.12
  5. Step 5: Solve for x
    x = 94,228,708.12/11,156.24
  6. Step 6: Final answer
    x = 8,446.28

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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.