Home / 13,346.04-20,019.39-10,231.68

Finding the Fourth Proportional to 13,346.04, 20,019.39 and 10,231.68

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Solution

The fourth proportional to 13,346.04, 20,019.39 and 10,231.68 is: 15,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.04 : 20,019.39 = 10,231.68 : x
  2. Step 2: Convert to fraction form
    13,346.04/20,019.39 = 10,231.68/x
  3. Step 3: Cross multiply
    13,346.04x = 20,019.39 × 10,231.68
  4. Step 4: Simplify right side
    13,346.04x = 204,831,992.28
  5. Step 5: Solve for x
    x = 204,831,992.28/13,346.04
  6. Step 6: Final answer
    x = 15,347.77

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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.