Home / 20,753.87-28,637.78-13,094.26

Finding the Fourth Proportional to 20,753.87, 28,637.78 and 13,094.26

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Solution

The fourth proportional to 20,753.87, 28,637.78 and 13,094.26 is: 18,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753.87 : 28,637.78 = 13,094.26 : x
  2. Step 2: Convert to fraction form
    20,753.87/28,637.78 = 13,094.26/x
  3. Step 3: Cross multiply
    20,753.87x = 28,637.78 × 13,094.26
  4. Step 4: Simplify right side
    20,753.87x = 374,990,436.90
  5. Step 5: Solve for x
    x = 374,990,436.90/20,753.87
  6. Step 6: Final answer
    x = 18,068.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.