Home / 12,145.60-18,214.44-4,352.68

Finding the Fourth Proportional to 12,145.60, 18,214.44 and 4,352.68

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Solution

The fourth proportional to 12,145.60, 18,214.44 and 4,352.68 is: 6,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145.60 : 18,214.44 = 4,352.68 : x
  2. Step 2: Convert to fraction form
    12,145.60/18,214.44 = 4,352.68/x
  3. Step 3: Cross multiply
    12,145.60x = 18,214.44 × 4,352.68
  4. Step 4: Simplify right side
    12,145.60x = 79,281,628.70
  5. Step 5: Solve for x
    x = 79,281,628.70/12,145.60
  6. Step 6: Final answer
    x = 6,527.60

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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.