Home / 15,998.21-22,080.80-10,025.57

Finding the Fourth Proportional to 15,998.21, 22,080.80 and 10,025.57

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Solution

The fourth proportional to 15,998.21, 22,080.80 and 10,025.57 is: 13,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.21 : 22,080.80 = 10,025.57 : x
  2. Step 2: Convert to fraction form
    15,998.21/22,080.80 = 10,025.57/x
  3. Step 3: Cross multiply
    15,998.21x = 22,080.80 × 10,025.57
  4. Step 4: Simplify right side
    15,998.21x = 221,372,686.32
  5. Step 5: Solve for x
    x = 221,372,686.32/15,998.21
  6. Step 6: Final answer
    x = 13,837.34

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Half scale
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Double scale
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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.