Home / 9,864.60-13,613.23-5,388.27

Finding the Fourth Proportional to 9,864.60, 13,613.23 and 5,388.27

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Solution

The fourth proportional to 9,864.60, 13,613.23 and 5,388.27 is: 7,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.60 : 13,613.23 = 5,388.27 : x
  2. Step 2: Convert to fraction form
    9,864.60/13,613.23 = 5,388.27/x
  3. Step 3: Cross multiply
    9,864.60x = 13,613.23 × 5,388.27
  4. Step 4: Simplify right side
    9,864.60x = 73,351,758.81
  5. Step 5: Solve for x
    x = 73,351,758.81/9,864.60
  6. Step 6: Final answer
    x = 7,435.86

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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.