Home / 11,997.30-16,551.90-7,521.24

Finding the Fourth Proportional to 11,997.30, 16,551.90 and 7,521.24

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Solution

The fourth proportional to 11,997.30, 16,551.90 and 7,521.24 is: 10,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.30 : 16,551.90 = 7,521.24 : x
  2. Step 2: Convert to fraction form
    11,997.30/16,551.90 = 7,521.24/x
  3. Step 3: Cross multiply
    11,997.30x = 16,551.90 × 7,521.24
  4. Step 4: Simplify right side
    11,997.30x = 124,490,812.36
  5. Step 5: Solve for x
    x = 124,490,812.36/11,997.30
  6. Step 6: Final answer
    x = 10,376.57

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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.