Home / 22,519.92-31,077.48-13,090.32

Finding the Fourth Proportional to 22,519.92, 31,077.48 and 13,090.32

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Solution

The fourth proportional to 22,519.92, 31,077.48 and 13,090.32 is: 18,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,519.92 : 31,077.48 = 13,090.32 : x
  2. Step 2: Convert to fraction form
    22,519.92/31,077.48 = 13,090.32/x
  3. Step 3: Cross multiply
    22,519.92x = 31,077.48 × 13,090.32
  4. Step 4: Simplify right side
    22,519.92x = 406,814,157.99
  5. Step 5: Solve for x
    x = 406,814,157.99/22,519.92
  6. Step 6: Final answer
    x = 18,064.64

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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.