Home / 11,051.52-16,573.28-4,811.20

Finding the Fourth Proportional to 11,051.52, 16,573.28 and 4,811.20

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Solution

The fourth proportional to 11,051.52, 16,573.28 and 4,811.20 is: 7,215.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.52 : 16,573.28 = 4,811.20 : x
  2. Step 2: Convert to fraction form
    11,051.52/16,573.28 = 4,811.20/x
  3. Step 3: Cross multiply
    11,051.52x = 16,573.28 × 4,811.20
  4. Step 4: Simplify right side
    11,051.52x = 79,737,364.74
  5. Step 5: Solve for x
    x = 79,737,364.74/11,051.52
  6. Step 6: Final answer
    x = 7,215.06

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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.