Home / 10,126.06-15,189.81-3,200.50

Finding the Fourth Proportional to 10,126.06, 15,189.81 and 3,200.50

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Solution

The fourth proportional to 10,126.06, 15,189.81 and 3,200.50 is: 4,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.06 : 15,189.81 = 3,200.50 : x
  2. Step 2: Convert to fraction form
    10,126.06/15,189.81 = 3,200.50/x
  3. Step 3: Cross multiply
    10,126.06x = 15,189.81 × 3,200.50
  4. Step 4: Simplify right side
    10,126.06x = 48,614,986.91
  5. Step 5: Solve for x
    x = 48,614,986.91/10,126.06
  6. Step 6: Final answer
    x = 4,800.98

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Double scale
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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.