Home / 9,124.34-13,686.48-2,198.84

Finding the Fourth Proportional to 9,124.34, 13,686.48 and 2,198.84

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Solution

The fourth proportional to 9,124.34, 13,686.48 and 2,198.84 is: 3,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.34 : 13,686.48 = 2,198.84 : x
  2. Step 2: Convert to fraction form
    9,124.34/13,686.48 = 2,198.84/x
  3. Step 3: Cross multiply
    9,124.34x = 13,686.48 × 2,198.84
  4. Step 4: Simplify right side
    9,124.34x = 30,094,311.25
  5. Step 5: Solve for x
    x = 30,094,311.25/9,124.34
  6. Step 6: Final answer
    x = 3,298.25

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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.