Home / 14,098.32-21,160.44-13,251.60

Finding the Fourth Proportional to 14,098.32, 21,160.44 and 13,251.60

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Solution

The fourth proportional to 14,098.32, 21,160.44 and 13,251.60 is: 19,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.32 : 21,160.44 = 13,251.60 : x
  2. Step 2: Convert to fraction form
    14,098.32/21,160.44 = 13,251.60/x
  3. Step 3: Cross multiply
    14,098.32x = 21,160.44 × 13,251.60
  4. Step 4: Simplify right side
    14,098.32x = 280,409,686.70
  5. Step 5: Solve for x
    x = 280,409,686.70/14,098.32
  6. Step 6: Final answer
    x = 19,889.58

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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.