Home / 13,793.96-19,037.07-8,130.47

Finding the Fourth Proportional to 13,793.96, 19,037.07 and 8,130.47

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Solution

The fourth proportional to 13,793.96, 19,037.07 and 8,130.47 is: 11,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.96 : 19,037.07 = 8,130.47 : x
  2. Step 2: Convert to fraction form
    13,793.96/19,037.07 = 8,130.47/x
  3. Step 3: Cross multiply
    13,793.96x = 19,037.07 × 8,130.47
  4. Step 4: Simplify right side
    13,793.96x = 154,780,231.34
  5. Step 5: Solve for x
    x = 154,780,231.34/13,793.96
  6. Step 6: Final answer
    x = 11,220.87

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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.