Home / 19,090.85-26,345.57-11,023.92

Finding the Fourth Proportional to 19,090.85, 26,345.57 and 11,023.92

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Solution

The fourth proportional to 19,090.85, 26,345.57 and 11,023.92 is: 15,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.85 : 26,345.57 = 11,023.92 : x
  2. Step 2: Convert to fraction form
    19,090.85/26,345.57 = 11,023.92/x
  3. Step 3: Cross multiply
    19,090.85x = 26,345.57 × 11,023.92
  4. Step 4: Simplify right side
    19,090.85x = 290,431,400.91
  5. Step 5: Solve for x
    x = 290,431,400.91/19,090.85
  6. Step 6: Final answer
    x = 15,213.12

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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.