Home / 18,837.52-25,996.80-10,454.20

Finding the Fourth Proportional to 18,837.52, 25,996.80 and 10,454.20

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Solution

The fourth proportional to 18,837.52, 25,996.80 and 10,454.20 is: 14,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.52 : 25,996.80 = 10,454.20 : x
  2. Step 2: Convert to fraction form
    18,837.52/25,996.80 = 10,454.20/x
  3. Step 3: Cross multiply
    18,837.52x = 25,996.80 × 10,454.20
  4. Step 4: Simplify right side
    18,837.52x = 271,775,746.56
  5. Step 5: Solve for x
    x = 271,775,746.56/18,837.52
  6. Step 6: Final answer
    x = 14,427.36

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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.