Home / 15,637.82-21,590.24-13,956.35

Finding the Fourth Proportional to 15,637.82, 21,590.24 and 13,956.35

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Solution

The fourth proportional to 15,637.82, 21,590.24 and 13,956.35 is: 19,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.82 : 21,590.24 = 13,956.35 : x
  2. Step 2: Convert to fraction form
    15,637.82/21,590.24 = 13,956.35/x
  3. Step 3: Cross multiply
    15,637.82x = 21,590.24 × 13,956.35
  4. Step 4: Simplify right side
    15,637.82x = 301,320,768.29
  5. Step 5: Solve for x
    x = 301,320,768.29/15,637.82
  6. Step 6: Final answer
    x = 19,268.73

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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.