Home / 11,625.20-17,445-4,699.76

Finding the Fourth Proportional to 11,625.20, 17,445 and 4,699.76

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Solution

The fourth proportional to 11,625.20, 17,445 and 4,699.76 is: 7,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.20 : 17,445 = 4,699.76 : x
  2. Step 2: Convert to fraction form
    11,625.20/17,445 = 4,699.76/x
  3. Step 3: Cross multiply
    11,625.20x = 17,445 × 4,699.76
  4. Step 4: Simplify right side
    11,625.20x = 81,987,313.20
  5. Step 5: Solve for x
    x = 81,987,313.20/11,625.20
  6. Step 6: Final answer
    x = 7,052.55

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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.