Home / 19,967.82-27,547.24-13,257.07

Finding the Fourth Proportional to 19,967.82, 27,547.24 and 13,257.07

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Solution

The fourth proportional to 19,967.82, 27,547.24 and 13,257.07 is: 18,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.82 : 27,547.24 = 13,257.07 : x
  2. Step 2: Convert to fraction form
    19,967.82/27,547.24 = 13,257.07/x
  3. Step 3: Cross multiply
    19,967.82x = 27,547.24 × 13,257.07
  4. Step 4: Simplify right side
    19,967.82x = 365,195,611.83
  5. Step 5: Solve for x
    x = 365,195,611.83/19,967.82
  6. Step 6: Final answer
    x = 18,289.21

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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.