Home / 10,888.99-16,322.45-7,379.35

Finding the Fourth Proportional to 10,888.99, 16,322.45 and 7,379.35

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Solution

The fourth proportional to 10,888.99, 16,322.45 and 7,379.35 is: 11,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.99 : 16,322.45 = 7,379.35 : x
  2. Step 2: Convert to fraction form
    10,888.99/16,322.45 = 7,379.35/x
  3. Step 3: Cross multiply
    10,888.99x = 16,322.45 × 7,379.35
  4. Step 4: Simplify right side
    10,888.99x = 120,449,071.41
  5. Step 5: Solve for x
    x = 120,449,071.41/10,888.99
  6. Step 6: Final answer
    x = 11,061.55

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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.