Home / 12,568.55-18,847.76-5,543.55

Finding the Fourth Proportional to 12,568.55, 18,847.76 and 5,543.55

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Solution

The fourth proportional to 12,568.55, 18,847.76 and 5,543.55 is: 8,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.55 : 18,847.76 = 5,543.55 : x
  2. Step 2: Convert to fraction form
    12,568.55/18,847.76 = 5,543.55/x
  3. Step 3: Cross multiply
    12,568.55x = 18,847.76 × 5,543.55
  4. Step 4: Simplify right side
    12,568.55x = 104,483,472.23
  5. Step 5: Solve for x
    x = 104,483,472.23/12,568.55
  6. Step 6: Final answer
    x = 8,313.09

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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.