Home / 11,551.20-17,327.44-4,888.80

Finding the Fourth Proportional to 11,551.20, 17,327.44 and 4,888.80

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Solution

The fourth proportional to 11,551.20, 17,327.44 and 4,888.80 is: 7,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.20 : 17,327.44 = 4,888.80 : x
  2. Step 2: Convert to fraction form
    11,551.20/17,327.44 = 4,888.80/x
  3. Step 3: Cross multiply
    11,551.20x = 17,327.44 × 4,888.80
  4. Step 4: Simplify right side
    11,551.20x = 84,710,388.67
  5. Step 5: Solve for x
    x = 84,710,388.67/11,551.20
  6. Step 6: Final answer
    x = 7,333.47

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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.