Home / 21,403.19-32,107.57-6,610.87

Finding the Fourth Proportional to 21,403.19, 32,107.57 and 6,610.87

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Solution

The fourth proportional to 21,403.19, 32,107.57 and 6,610.87 is: 9,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.19 : 32,107.57 = 6,610.87 : x
  2. Step 2: Convert to fraction form
    21,403.19/32,107.57 = 6,610.87/x
  3. Step 3: Cross multiply
    21,403.19x = 32,107.57 × 6,610.87
  4. Step 4: Simplify right side
    21,403.19x = 212,258,874.49
  5. Step 5: Solve for x
    x = 212,258,874.49/21,403.19
  6. Step 6: Final answer
    x = 9,917.16

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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.