Home / 9,613.69-14,420.53-2,688.19

Finding the Fourth Proportional to 9,613.69, 14,420.53 and 2,688.19

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Solution

The fourth proportional to 9,613.69, 14,420.53 and 2,688.19 is: 4,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.69 : 14,420.53 = 2,688.19 : x
  2. Step 2: Convert to fraction form
    9,613.69/14,420.53 = 2,688.19/x
  3. Step 3: Cross multiply
    9,613.69x = 14,420.53 × 2,688.19
  4. Step 4: Simplify right side
    9,613.69x = 38,765,091.85
  5. Step 5: Solve for x
    x = 38,765,091.85/9,613.69
  6. Step 6: Final answer
    x = 4,032.28

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Similar ratio
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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.