Home / 9,613.08-13,267.36-5,635.78

Finding the Fourth Proportional to 9,613.08, 13,267.36 and 5,635.78

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Solution

The fourth proportional to 9,613.08, 13,267.36 and 5,635.78 is: 7,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.08 : 13,267.36 = 5,635.78 : x
  2. Step 2: Convert to fraction form
    9,613.08/13,267.36 = 5,635.78/x
  3. Step 3: Cross multiply
    9,613.08x = 13,267.36 × 5,635.78
  4. Step 4: Simplify right side
    9,613.08x = 74,771,855.80
  5. Step 5: Solve for x
    x = 74,771,855.80/9,613.08
  6. Step 6: Final answer
    x = 7,778.14

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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.