Home / 11,201.05-16,809.12-4,627.20

Finding the Fourth Proportional to 11,201.05, 16,809.12 and 4,627.20

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Solution

The fourth proportional to 11,201.05, 16,809.12 and 4,627.20 is: 6,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.05 : 16,809.12 = 4,627.20 : x
  2. Step 2: Convert to fraction form
    11,201.05/16,809.12 = 4,627.20/x
  3. Step 3: Cross multiply
    11,201.05x = 16,809.12 × 4,627.20
  4. Step 4: Simplify right side
    11,201.05x = 77,779,223.10
  5. Step 5: Solve for x
    x = 77,779,223.10/11,201.05
  6. Step 6: Final answer
    x = 6,943.93

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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.