Home / 18,437.02-27,654.91-10,120.95

Finding the Fourth Proportional to 18,437.02, 27,654.91 and 10,120.95

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Solution

The fourth proportional to 18,437.02, 27,654.91 and 10,120.95 is: 15,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.02 : 27,654.91 = 10,120.95 : x
  2. Step 2: Convert to fraction form
    18,437.02/27,654.91 = 10,120.95/x
  3. Step 3: Cross multiply
    18,437.02x = 27,654.91 × 10,120.95
  4. Step 4: Simplify right side
    18,437.02x = 279,893,961.36
  5. Step 5: Solve for x
    x = 279,893,961.36/18,437.02
  6. Step 6: Final answer
    x = 15,181.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.