Home / 20,841.60-31,268.16-12,060.48

Finding the Fourth Proportional to 20,841.60, 31,268.16 and 12,060.48

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Solution

The fourth proportional to 20,841.60, 31,268.16 and 12,060.48 is: 18,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.60 : 31,268.16 = 12,060.48 : x
  2. Step 2: Convert to fraction form
    20,841.60/31,268.16 = 12,060.48/x
  3. Step 3: Cross multiply
    20,841.60x = 31,268.16 × 12,060.48
  4. Step 4: Simplify right side
    20,841.60x = 377,109,018.32
  5. Step 5: Solve for x
    x = 377,109,018.32/20,841.60
  6. Step 6: Final answer
    x = 18,094.05

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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.