Home / 11,100.80-15,319.28-6,064.98

Finding the Fourth Proportional to 11,100.80, 15,319.28 and 6,064.98

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Solution

The fourth proportional to 11,100.80, 15,319.28 and 6,064.98 is: 8,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.80 : 15,319.28 = 6,064.98 : x
  2. Step 2: Convert to fraction form
    11,100.80/15,319.28 = 6,064.98/x
  3. Step 3: Cross multiply
    11,100.80x = 15,319.28 × 6,064.98
  4. Step 4: Simplify right side
    11,100.80x = 92,911,126.81
  5. Step 5: Solve for x
    x = 92,911,126.81/11,100.80
  6. Step 6: Final answer
    x = 8,369.77

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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.