Home / 11,145.48-16,718.36-5,300.88

Finding the Fourth Proportional to 11,145.48, 16,718.36 and 5,300.88

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Solution

The fourth proportional to 11,145.48, 16,718.36 and 5,300.88 is: 7,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.48 : 16,718.36 = 5,300.88 : x
  2. Step 2: Convert to fraction form
    11,145.48/16,718.36 = 5,300.88/x
  3. Step 3: Cross multiply
    11,145.48x = 16,718.36 × 5,300.88
  4. Step 4: Simplify right side
    11,145.48x = 88,622,020.16
  5. Step 5: Solve for x
    x = 88,622,020.16/11,145.48
  6. Step 6: Final answer
    x = 7,951.39

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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.