Home / 13,273.74-18,320.92-7,611.84

Finding the Fourth Proportional to 13,273.74, 18,320.92 and 7,611.84

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Solution

The fourth proportional to 13,273.74, 18,320.92 and 7,611.84 is: 10,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.74 : 18,320.92 = 7,611.84 : x
  2. Step 2: Convert to fraction form
    13,273.74/18,320.92 = 7,611.84/x
  3. Step 3: Cross multiply
    13,273.74x = 18,320.92 × 7,611.84
  4. Step 4: Simplify right side
    13,273.74x = 139,455,892.66
  5. Step 5: Solve for x
    x = 139,455,892.66/13,273.74
  6. Step 6: Final answer
    x = 10,506.15

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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.