Home / 18,157.96-27,236.40-5,011.12

Finding the Fourth Proportional to 18,157.96, 27,236.40 and 5,011.12

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Solution

The fourth proportional to 18,157.96, 27,236.40 and 5,011.12 is: 7,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.96 : 27,236.40 = 5,011.12 : x
  2. Step 2: Convert to fraction form
    18,157.96/27,236.40 = 5,011.12/x
  3. Step 3: Cross multiply
    18,157.96x = 27,236.40 × 5,011.12
  4. Step 4: Simplify right side
    18,157.96x = 136,484,868.77
  5. Step 5: Solve for x
    x = 136,484,868.77/18,157.96
  6. Step 6: Final answer
    x = 7,516.53

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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.