Home / 15,054.14-20,774.16-8,340.06

Finding the Fourth Proportional to 15,054.14, 20,774.16 and 8,340.06

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Solution

The fourth proportional to 15,054.14, 20,774.16 and 8,340.06 is: 11,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.14 : 20,774.16 = 8,340.06 : x
  2. Step 2: Convert to fraction form
    15,054.14/20,774.16 = 8,340.06/x
  3. Step 3: Cross multiply
    15,054.14x = 20,774.16 × 8,340.06
  4. Step 4: Simplify right side
    15,054.14x = 173,257,740.85
  5. Step 5: Solve for x
    x = 173,257,740.85/15,054.14
  6. Step 6: Final answer
    x = 11,508.98

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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.