Home / 20,017.60-29,985.40-11,234.06

Finding the Fourth Proportional to 20,017.60, 29,985.40 and 11,234.06

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Solution

The fourth proportional to 20,017.60, 29,985.40 and 11,234.06 is: 16,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.60 : 29,985.40 = 11,234.06 : x
  2. Step 2: Convert to fraction form
    20,017.60/29,985.40 = 11,234.06/x
  3. Step 3: Cross multiply
    20,017.60x = 29,985.40 × 11,234.06
  4. Step 4: Simplify right side
    20,017.60x = 336,857,782.72
  5. Step 5: Solve for x
    x = 336,857,782.72/20,017.60
  6. Step 6: Final answer
    x = 16,828.08

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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.