Home / 13,544.10-20,322.18-8,612.46

Finding the Fourth Proportional to 13,544.10, 20,322.18 and 8,612.46

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Solution

The fourth proportional to 13,544.10, 20,322.18 and 8,612.46 is: 12,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.10 : 20,322.18 = 8,612.46 : x
  2. Step 2: Convert to fraction form
    13,544.10/20,322.18 = 8,612.46/x
  3. Step 3: Cross multiply
    13,544.10x = 20,322.18 × 8,612.46
  4. Step 4: Simplify right side
    13,544.10x = 175,023,962.36
  5. Step 5: Solve for x
    x = 175,023,962.36/13,544.10
  6. Step 6: Final answer
    x = 12,922.52

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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.