Home / 19,090.24-26,345.20-11,131.20

Finding the Fourth Proportional to 19,090.24, 26,345.20 and 11,131.20

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Solution

The fourth proportional to 19,090.24, 26,345.20 and 11,131.20 is: 15,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.24 : 26,345.20 = 11,131.20 : x
  2. Step 2: Convert to fraction form
    19,090.24/26,345.20 = 11,131.20/x
  3. Step 3: Cross multiply
    19,090.24x = 26,345.20 × 11,131.20
  4. Step 4: Simplify right side
    19,090.24x = 293,253,690.24
  5. Step 5: Solve for x
    x = 293,253,690.24/19,090.24
  6. Step 6: Final answer
    x = 15,361.45

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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.