Home / 21,948.34-30,304.99-13,462.17

Finding the Fourth Proportional to 21,948.34, 30,304.99 and 13,462.17

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Solution

The fourth proportional to 21,948.34, 30,304.99 and 13,462.17 is: 18,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.34 : 30,304.99 = 13,462.17 : x
  2. Step 2: Convert to fraction form
    21,948.34/30,304.99 = 13,462.17/x
  3. Step 3: Cross multiply
    21,948.34x = 30,304.99 × 13,462.17
  4. Step 4: Simplify right side
    21,948.34x = 407,970,927.23
  5. Step 5: Solve for x
    x = 407,970,927.23/21,948.34
  6. Step 6: Final answer
    x = 18,587.78

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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.