Home / 19,660.08-29,478.60-13,496.88

Finding the Fourth Proportional to 19,660.08, 29,478.60 and 13,496.88

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Solution

The fourth proportional to 19,660.08, 29,478.60 and 13,496.88 is: 20,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.08 : 29,478.60 = 13,496.88 : x
  2. Step 2: Convert to fraction form
    19,660.08/29,478.60 = 13,496.88/x
  3. Step 3: Cross multiply
    19,660.08x = 29,478.60 × 13,496.88
  4. Step 4: Simplify right side
    19,660.08x = 397,869,126.77
  5. Step 5: Solve for x
    x = 397,869,126.77/19,660.08
  6. Step 6: Final answer
    x = 20,237.41

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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.