Home / 9,485.70-14,228.58-5,105.22

Finding the Fourth Proportional to 9,485.70, 14,228.58 and 5,105.22

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Solution

The fourth proportional to 9,485.70, 14,228.58 and 5,105.22 is: 7,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.70 : 14,228.58 = 5,105.22 : x
  2. Step 2: Convert to fraction form
    9,485.70/14,228.58 = 5,105.22/x
  3. Step 3: Cross multiply
    9,485.70x = 14,228.58 × 5,105.22
  4. Step 4: Simplify right side
    9,485.70x = 72,640,031.19
  5. Step 5: Solve for x
    x = 72,640,031.19/9,485.70
  6. Step 6: Final answer
    x = 7,657.85

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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.