Home / 13,364.28-18,431.52-10,014.96

Finding the Fourth Proportional to 13,364.28, 18,431.52 and 10,014.96

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Solution

The fourth proportional to 13,364.28, 18,431.52 and 10,014.96 is: 13,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.28 : 18,431.52 = 10,014.96 : x
  2. Step 2: Convert to fraction form
    13,364.28/18,431.52 = 10,014.96/x
  3. Step 3: Cross multiply
    13,364.28x = 18,431.52 × 10,014.96
  4. Step 4: Simplify right side
    13,364.28x = 184,590,935.54
  5. Step 5: Solve for x
    x = 184,590,935.54/13,364.28
  6. Step 6: Final answer
    x = 13,812.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.