Home / 10,289.42-14,194.19-6,506.21

Finding the Fourth Proportional to 10,289.42, 14,194.19 and 6,506.21

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Solution

The fourth proportional to 10,289.42, 14,194.19 and 6,506.21 is: 8,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.42 : 14,194.19 = 6,506.21 : x
  2. Step 2: Convert to fraction form
    10,289.42/14,194.19 = 6,506.21/x
  3. Step 3: Cross multiply
    10,289.42x = 14,194.19 × 6,506.21
  4. Step 4: Simplify right side
    10,289.42x = 92,350,383.87
  5. Step 5: Solve for x
    x = 92,350,383.87/10,289.42
  6. Step 6: Final answer
    x = 8,975.27

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.