Home / 21,924.89-30,256.62-13,308.58

Finding the Fourth Proportional to 21,924.89, 30,256.62 and 13,308.58

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Solution

The fourth proportional to 21,924.89, 30,256.62 and 13,308.58 is: 18,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.89 : 30,256.62 = 13,308.58 : x
  2. Step 2: Convert to fraction form
    21,924.89/30,256.62 = 13,308.58/x
  3. Step 3: Cross multiply
    21,924.89x = 30,256.62 × 13,308.58
  4. Step 4: Simplify right side
    21,924.89x = 402,672,572.16
  5. Step 5: Solve for x
    x = 402,672,572.16/21,924.89
  6. Step 6: Final answer
    x = 18,366.01

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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.