Home / 9,925.81-13,697.64-5,449.85

Finding the Fourth Proportional to 9,925.81, 13,697.64 and 5,449.85

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Solution

The fourth proportional to 9,925.81, 13,697.64 and 5,449.85 is: 7,520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.81 : 13,697.64 = 5,449.85 : x
  2. Step 2: Convert to fraction form
    9,925.81/13,697.64 = 5,449.85/x
  3. Step 3: Cross multiply
    9,925.81x = 13,697.64 × 5,449.85
  4. Step 4: Simplify right side
    9,925.81x = 74,650,083.35
  5. Step 5: Solve for x
    x = 74,650,083.35/9,925.81
  6. Step 6: Final answer
    x = 7,520.81

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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.