Home / 10,323.60-15,470.20-4,617.64

Finding the Fourth Proportional to 10,323.60, 15,470.20 and 4,617.64

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Solution

The fourth proportional to 10,323.60, 15,470.20 and 4,617.64 is: 6,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.60 : 15,470.20 = 4,617.64 : x
  2. Step 2: Convert to fraction form
    10,323.60/15,470.20 = 4,617.64/x
  3. Step 3: Cross multiply
    10,323.60x = 15,470.20 × 4,617.64
  4. Step 4: Simplify right side
    10,323.60x = 71,435,839.44
  5. Step 5: Solve for x
    x = 71,435,839.44/10,323.60
  6. Step 6: Final answer
    x = 6,919.67

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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.