Home / 13,339.16-20,011.78-4,573.55

Finding the Fourth Proportional to 13,339.16, 20,011.78 and 4,573.55

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Solution

The fourth proportional to 13,339.16, 20,011.78 and 4,573.55 is: 6,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.16 : 20,011.78 = 4,573.55 : x
  2. Step 2: Convert to fraction form
    13,339.16/20,011.78 = 4,573.55/x
  3. Step 3: Cross multiply
    13,339.16x = 20,011.78 × 4,573.55
  4. Step 4: Simplify right side
    13,339.16x = 91,524,776.36
  5. Step 5: Solve for x
    x = 91,524,776.36/13,339.16
  6. Step 6: Final answer
    x = 6,861.36

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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.