Home / 13,698.28-20,543.82-4,931.56

Finding the Fourth Proportional to 13,698.28, 20,543.82 and 4,931.56

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Solution

The fourth proportional to 13,698.28, 20,543.82 and 4,931.56 is: 7,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698.28 : 20,543.82 = 4,931.56 : x
  2. Step 2: Convert to fraction form
    13,698.28/20,543.82 = 4,931.56/x
  3. Step 3: Cross multiply
    13,698.28x = 20,543.82 × 4,931.56
  4. Step 4: Simplify right side
    13,698.28x = 101,313,080.96
  5. Step 5: Solve for x
    x = 101,313,080.96/13,698.28
  6. Step 6: Final answer
    x = 7,396.04

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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.