Home / 9,039.73-13,552.30-5,138.77

Finding the Fourth Proportional to 9,039.73, 13,552.30 and 5,138.77

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Solution

The fourth proportional to 9,039.73, 13,552.30 and 5,138.77 is: 7,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.73 : 13,552.30 = 5,138.77 : x
  2. Step 2: Convert to fraction form
    9,039.73/13,552.30 = 5,138.77/x
  3. Step 3: Cross multiply
    9,039.73x = 13,552.30 × 5,138.77
  4. Step 4: Simplify right side
    9,039.73x = 69,642,152.67
  5. Step 5: Solve for x
    x = 69,642,152.67/9,039.73
  6. Step 6: Final answer
    x = 7,704.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.