Home / 10,003.18-15,004.76-3,429.42

Finding the Fourth Proportional to 10,003.18, 15,004.76 and 3,429.42

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Solution

The fourth proportional to 10,003.18, 15,004.76 and 3,429.42 is: 5,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.18 : 15,004.76 = 3,429.42 : x
  2. Step 2: Convert to fraction form
    10,003.18/15,004.76 = 3,429.42/x
  3. Step 3: Cross multiply
    10,003.18x = 15,004.76 × 3,429.42
  4. Step 4: Simplify right side
    10,003.18x = 51,457,624.04
  5. Step 5: Solve for x
    x = 51,457,624.04/10,003.18
  6. Step 6: Final answer
    x = 5,144.13

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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.