Home / 13,330.53-19,991.70-5,011.74

Finding the Fourth Proportional to 13,330.53, 19,991.70 and 5,011.74

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Solution

The fourth proportional to 13,330.53, 19,991.70 and 5,011.74 is: 7,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.53 : 19,991.70 = 5,011.74 : x
  2. Step 2: Convert to fraction form
    13,330.53/19,991.70 = 5,011.74/x
  3. Step 3: Cross multiply
    13,330.53x = 19,991.70 × 5,011.74
  4. Step 4: Simplify right side
    13,330.53x = 100,193,202.56
  5. Step 5: Solve for x
    x = 100,193,202.56/13,330.53
  6. Step 6: Final answer
    x = 7,516.07

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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.