Home / 18,820.90-25,972.26-10,322.58

Finding the Fourth Proportional to 18,820.90, 25,972.26 and 10,322.58

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Solution

The fourth proportional to 18,820.90, 25,972.26 and 10,322.58 is: 14,244.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.90 : 25,972.26 = 10,322.58 : x
  2. Step 2: Convert to fraction form
    18,820.90/25,972.26 = 10,322.58/x
  3. Step 3: Cross multiply
    18,820.90x = 25,972.26 × 10,322.58
  4. Step 4: Simplify right side
    18,820.90x = 268,100,731.63
  5. Step 5: Solve for x
    x = 268,100,731.63/18,820.90
  6. Step 6: Final answer
    x = 14,244.84

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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.