Home / 18,435.04-27,618.45-10,102.66

Finding the Fourth Proportional to 18,435.04, 27,618.45 and 10,102.66

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Solution

The fourth proportional to 18,435.04, 27,618.45 and 10,102.66 is: 15,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.04 : 27,618.45 = 10,102.66 : x
  2. Step 2: Convert to fraction form
    18,435.04/27,618.45 = 10,102.66/x
  3. Step 3: Cross multiply
    18,435.04x = 27,618.45 × 10,102.66
  4. Step 4: Simplify right side
    18,435.04x = 279,019,810.08
  5. Step 5: Solve for x
    x = 279,019,810.08/18,435.04
  6. Step 6: Final answer
    x = 15,135.30

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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.