Home / 20,247.12-30,364.74-7,097.04

Finding the Fourth Proportional to 20,247.12, 30,364.74 and 7,097.04

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Solution

The fourth proportional to 20,247.12, 30,364.74 and 7,097.04 is: 10,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.12 : 30,364.74 = 7,097.04 : x
  2. Step 2: Convert to fraction form
    20,247.12/30,364.74 = 7,097.04/x
  3. Step 3: Cross multiply
    20,247.12x = 30,364.74 × 7,097.04
  4. Step 4: Simplify right side
    20,247.12x = 215,499,774.37
  5. Step 5: Solve for x
    x = 215,499,774.37/20,247.12
  6. Step 6: Final answer
    x = 10,643.48

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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.