Home / 13,392.87-20,090.28-4,508.22

Finding the Fourth Proportional to 13,392.87, 20,090.28 and 4,508.22

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Solution

The fourth proportional to 13,392.87, 20,090.28 and 4,508.22 is: 6,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.87 : 20,090.28 = 4,508.22 : x
  2. Step 2: Convert to fraction form
    13,392.87/20,090.28 = 4,508.22/x
  3. Step 3: Cross multiply
    13,392.87x = 20,090.28 × 4,508.22
  4. Step 4: Simplify right side
    13,392.87x = 90,571,402.10
  5. Step 5: Solve for x
    x = 90,571,402.10/13,392.87
  6. Step 6: Final answer
    x = 6,762.66

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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.