Home / 9,038.54-13,557.87-3,493.68

Finding the Fourth Proportional to 9,038.54, 13,557.87 and 3,493.68

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Solution

The fourth proportional to 9,038.54, 13,557.87 and 3,493.68 is: 5,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.54 : 13,557.87 = 3,493.68 : x
  2. Step 2: Convert to fraction form
    9,038.54/13,557.87 = 3,493.68/x
  3. Step 3: Cross multiply
    9,038.54x = 13,557.87 × 3,493.68
  4. Step 4: Simplify right side
    9,038.54x = 47,366,859.26
  5. Step 5: Solve for x
    x = 47,366,859.26/9,038.54
  6. Step 6: Final answer
    x = 5,240.55

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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.