Home / 13,435.20-20,151.72-4,668.84

Finding the Fourth Proportional to 13,435.20, 20,151.72 and 4,668.84

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Solution

The fourth proportional to 13,435.20, 20,151.72 and 4,668.84 is: 7,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.20 : 20,151.72 = 4,668.84 : x
  2. Step 2: Convert to fraction form
    13,435.20/20,151.72 = 4,668.84/x
  3. Step 3: Cross multiply
    13,435.20x = 20,151.72 × 4,668.84
  4. Step 4: Simplify right side
    13,435.20x = 94,085,156.40
  5. Step 5: Solve for x
    x = 94,085,156.40/13,435.20
  6. Step 6: Final answer
    x = 7,002.88

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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.