Home / 11,117.04-16,676.32-3,721.20

Finding the Fourth Proportional to 11,117.04, 16,676.32 and 3,721.20

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Solution

The fourth proportional to 11,117.04, 16,676.32 and 3,721.20 is: 5,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.04 : 16,676.32 = 3,721.20 : x
  2. Step 2: Convert to fraction form
    11,117.04/16,676.32 = 3,721.20/x
  3. Step 3: Cross multiply
    11,117.04x = 16,676.32 × 3,721.20
  4. Step 4: Simplify right side
    11,117.04x = 62,055,921.98
  5. Step 5: Solve for x
    x = 62,055,921.98/11,117.04
  6. Step 6: Final answer
    x = 5,582.05

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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.