Home / 13,675.53-18,875.94-8,011.20

Finding the Fourth Proportional to 13,675.53, 18,875.94 and 8,011.20

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Solution

The fourth proportional to 13,675.53, 18,875.94 and 8,011.20 is: 11,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.53 : 18,875.94 = 8,011.20 : x
  2. Step 2: Convert to fraction form
    13,675.53/18,875.94 = 8,011.20/x
  3. Step 3: Cross multiply
    13,675.53x = 18,875.94 × 8,011.20
  4. Step 4: Simplify right side
    13,675.53x = 151,218,930.53
  5. Step 5: Solve for x
    x = 151,218,930.53/13,675.53
  6. Step 6: Final answer
    x = 11,057.63

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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.