Home / 10,998.80-16,494.36-5,158.16

Finding the Fourth Proportional to 10,998.80, 16,494.36 and 5,158.16

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Solution

The fourth proportional to 10,998.80, 16,494.36 and 5,158.16 is: 7,735.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.80 : 16,494.36 = 5,158.16 : x
  2. Step 2: Convert to fraction form
    10,998.80/16,494.36 = 5,158.16/x
  3. Step 3: Cross multiply
    10,998.80x = 16,494.36 × 5,158.16
  4. Step 4: Simplify right side
    10,998.80x = 85,080,547.98
  5. Step 5: Solve for x
    x = 85,080,547.98/10,998.80
  6. Step 6: Final answer
    x = 7,735.44

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1.5x scale

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.