Home / 17,740.05-26,610.19-5,260.20

Finding the Fourth Proportional to 17,740.05, 26,610.19 and 5,260.20

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Solution

The fourth proportional to 17,740.05, 26,610.19 and 5,260.20 is: 7,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.05 : 26,610.19 = 5,260.20 : x
  2. Step 2: Convert to fraction form
    17,740.05/26,610.19 = 5,260.20/x
  3. Step 3: Cross multiply
    17,740.05x = 26,610.19 × 5,260.20
  4. Step 4: Simplify right side
    17,740.05x = 139,974,775.24
  5. Step 5: Solve for x
    x = 139,974,775.24/17,740.05
  6. Step 6: Final answer
    x = 7,890.32

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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.