Home / 15,885.32-23,843.57-13,269.62

Finding the Fourth Proportional to 15,885.32, 23,843.57 and 13,269.62

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Solution

The fourth proportional to 15,885.32, 23,843.57 and 13,269.62 is: 19,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.32 : 23,843.57 = 13,269.62 : x
  2. Step 2: Convert to fraction form
    15,885.32/23,843.57 = 13,269.62/x
  3. Step 3: Cross multiply
    15,885.32x = 23,843.57 × 13,269.62
  4. Step 4: Simplify right side
    15,885.32x = 316,395,106.60
  5. Step 5: Solve for x
    x = 316,395,106.60/15,885.32
  6. Step 6: Final answer
    x = 19,917.46

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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.