Home / 10,998.04-15,176.46-6,281.68

Finding the Fourth Proportional to 10,998.04, 15,176.46 and 6,281.68

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Solution

The fourth proportional to 10,998.04, 15,176.46 and 6,281.68 is: 8,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.04 : 15,176.46 = 6,281.68 : x
  2. Step 2: Convert to fraction form
    10,998.04/15,176.46 = 6,281.68/x
  3. Step 3: Cross multiply
    10,998.04x = 15,176.46 × 6,281.68
  4. Step 4: Simplify right side
    10,998.04x = 95,333,665.25
  5. Step 5: Solve for x
    x = 95,333,665.25/10,998.04
  6. Step 6: Final answer
    x = 8,668.24

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1.5x scale

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.