Home / 9,011.25-13,516.88-3,818.34

Finding the Fourth Proportional to 9,011.25, 13,516.88 and 3,818.34

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Solution

The fourth proportional to 9,011.25, 13,516.88 and 3,818.34 is: 5,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.25 : 13,516.88 = 3,818.34 : x
  2. Step 2: Convert to fraction form
    9,011.25/13,516.88 = 3,818.34/x
  3. Step 3: Cross multiply
    9,011.25x = 13,516.88 × 3,818.34
  4. Step 4: Simplify right side
    9,011.25x = 51,612,024.49
  5. Step 5: Solve for x
    x = 51,612,024.49/9,011.25
  6. Step 6: Final answer
    x = 5,727.51

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Half scale
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Double scale
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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.