Home / 15,038.28-20,759.58-9,668.52

Finding the Fourth Proportional to 15,038.28, 20,759.58 and 9,668.52

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Solution

The fourth proportional to 15,038.28, 20,759.58 and 9,668.52 is: 13,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,038.28 : 20,759.58 = 9,668.52 : x
  2. Step 2: Convert to fraction form
    15,038.28/20,759.58 = 9,668.52/x
  3. Step 3: Cross multiply
    15,038.28x = 20,759.58 × 9,668.52
  4. Step 4: Simplify right side
    15,038.28x = 200,714,414.42
  5. Step 5: Solve for x
    x = 200,714,414.42/15,038.28
  6. Step 6: Final answer
    x = 13,346.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.