Home / 15,399.70-23,099.34-3,712.81

Finding the Fourth Proportional to 15,399.70, 23,099.34 and 3,712.81

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Solution

The fourth proportional to 15,399.70, 23,099.34 and 3,712.81 is: 5,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.70 : 23,099.34 = 3,712.81 : x
  2. Step 2: Convert to fraction form
    15,399.70/23,099.34 = 3,712.81/x
  3. Step 3: Cross multiply
    15,399.70x = 23,099.34 × 3,712.81
  4. Step 4: Simplify right side
    15,399.70x = 85,763,460.55
  5. Step 5: Solve for x
    x = 85,763,460.55/15,399.70
  6. Step 6: Final answer
    x = 5,569.16

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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.