Home / 10,553.06-15,831.99-5,620.10

Finding the Fourth Proportional to 10,553.06, 15,831.99 and 5,620.10

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Solution

The fourth proportional to 10,553.06, 15,831.99 and 5,620.10 is: 8,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.06 : 15,831.99 = 5,620.10 : x
  2. Step 2: Convert to fraction form
    10,553.06/15,831.99 = 5,620.10/x
  3. Step 3: Cross multiply
    10,553.06x = 15,831.99 × 5,620.10
  4. Step 4: Simplify right side
    10,553.06x = 88,977,367.00
  5. Step 5: Solve for x
    x = 88,977,367.00/10,553.06
  6. Step 6: Final answer
    x = 8,431.43

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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.