Home / 13,521.06-18,659.09-7,552.94

Finding the Fourth Proportional to 13,521.06, 18,659.09 and 7,552.94

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Solution

The fourth proportional to 13,521.06, 18,659.09 and 7,552.94 is: 10,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521.06 : 18,659.09 = 7,552.94 : x
  2. Step 2: Convert to fraction form
    13,521.06/18,659.09 = 7,552.94/x
  3. Step 3: Cross multiply
    13,521.06x = 18,659.09 × 7,552.94
  4. Step 4: Simplify right side
    13,521.06x = 140,930,912.81
  5. Step 5: Solve for x
    x = 140,930,912.81/13,521.06
  6. Step 6: Final answer
    x = 10,423.07

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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.