Home / 11,318.74-15,620.55-6,539.57

Finding the Fourth Proportional to 11,318.74, 15,620.55 and 6,539.57

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Solution

The fourth proportional to 11,318.74, 15,620.55 and 6,539.57 is: 9,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.74 : 15,620.55 = 6,539.57 : x
  2. Step 2: Convert to fraction form
    11,318.74/15,620.55 = 6,539.57/x
  3. Step 3: Cross multiply
    11,318.74x = 15,620.55 × 6,539.57
  4. Step 4: Simplify right side
    11,318.74x = 102,151,636.11
  5. Step 5: Solve for x
    x = 102,151,636.11/11,318.74
  6. Step 6: Final answer
    x = 9,025.00

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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.