Home / 11,192.86-15,445.04-6,411.89

Finding the Fourth Proportional to 11,192.86, 15,445.04 and 6,411.89

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Solution

The fourth proportional to 11,192.86, 15,445.04 and 6,411.89 is: 8,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.86 : 15,445.04 = 6,411.89 : x
  2. Step 2: Convert to fraction form
    11,192.86/15,445.04 = 6,411.89/x
  3. Step 3: Cross multiply
    11,192.86x = 15,445.04 × 6,411.89
  4. Step 4: Simplify right side
    11,192.86x = 99,031,788.24
  5. Step 5: Solve for x
    x = 99,031,788.24/11,192.86
  6. Step 6: Final answer
    x = 8,847.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.