Home / 11,145.37-16,718.30-5,302.57

Finding the Fourth Proportional to 11,145.37, 16,718.30 and 5,302.57

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Solution

The fourth proportional to 11,145.37, 16,718.30 and 5,302.57 is: 7,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.37 : 16,718.30 = 5,302.57 : x
  2. Step 2: Convert to fraction form
    11,145.37/16,718.30 = 5,302.57/x
  3. Step 3: Cross multiply
    11,145.37x = 16,718.30 × 5,302.57
  4. Step 4: Simplify right side
    11,145.37x = 88,649,929.52
  5. Step 5: Solve for x
    x = 88,649,929.52/11,145.37
  6. Step 6: Final answer
    x = 7,953.97

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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.