Home / 10,888.05-16,330.32-2,988.93

Finding the Fourth Proportional to 10,888.05, 16,330.32 and 2,988.93

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Solution

The fourth proportional to 10,888.05, 16,330.32 and 2,988.93 is: 4,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.05 : 16,330.32 = 2,988.93 : x
  2. Step 2: Convert to fraction form
    10,888.05/16,330.32 = 2,988.93/x
  3. Step 3: Cross multiply
    10,888.05x = 16,330.32 × 2,988.93
  4. Step 4: Simplify right side
    10,888.05x = 48,810,183.36
  5. Step 5: Solve for x
    x = 48,810,183.36/10,888.05
  6. Step 6: Final answer
    x = 4,482.91

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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.