Home / 15,054.12-20,775.78-9,087.24

Finding the Fourth Proportional to 15,054.12, 20,775.78 and 9,087.24

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Solution

The fourth proportional to 15,054.12, 20,775.78 and 9,087.24 is: 12,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.12 : 20,775.78 = 9,087.24 : x
  2. Step 2: Convert to fraction form
    15,054.12/20,775.78 = 9,087.24/x
  3. Step 3: Cross multiply
    15,054.12x = 20,775.78 × 9,087.24
  4. Step 4: Simplify right side
    15,054.12x = 188,794,499.05
  5. Step 5: Solve for x
    x = 188,794,499.05/15,054.12
  6. Step 6: Final answer
    x = 12,541.05

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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.