Home / 11,117.04-16,647.32-6,671.90

Finding the Fourth Proportional to 11,117.04, 16,647.32 and 6,671.90

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Solution

The fourth proportional to 11,117.04, 16,647.32 and 6,671.90 is: 9,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.04 : 16,647.32 = 6,671.90 : x
  2. Step 2: Convert to fraction form
    11,117.04/16,647.32 = 6,671.90/x
  3. Step 3: Cross multiply
    11,117.04x = 16,647.32 × 6,671.90
  4. Step 4: Simplify right side
    11,117.04x = 111,069,254.31
  5. Step 5: Solve for x
    x = 111,069,254.31/11,117.04
  6. Step 6: Final answer
    x = 9,990.90

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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.