Home / 15,213.38-22,709.93-13,146.66

Finding the Fourth Proportional to 15,213.38, 22,709.93 and 13,146.66

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Solution

The fourth proportional to 15,213.38, 22,709.93 and 13,146.66 is: 19,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.38 : 22,709.93 = 13,146.66 : x
  2. Step 2: Convert to fraction form
    15,213.38/22,709.93 = 13,146.66/x
  3. Step 3: Cross multiply
    15,213.38x = 22,709.93 × 13,146.66
  4. Step 4: Simplify right side
    15,213.38x = 298,559,662.60
  5. Step 5: Solve for x
    x = 298,559,662.60/15,213.38
  6. Step 6: Final answer
    x = 19,624.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.