Home / 13,412.20-20,095.47-8,725.06

Finding the Fourth Proportional to 13,412.20, 20,095.47 and 8,725.06

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Solution

The fourth proportional to 13,412.20, 20,095.47 and 8,725.06 is: 13,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.20 : 20,095.47 = 8,725.06 : x
  2. Step 2: Convert to fraction form
    13,412.20/20,095.47 = 8,725.06/x
  3. Step 3: Cross multiply
    13,412.20x = 20,095.47 × 8,725.06
  4. Step 4: Simplify right side
    13,412.20x = 175,334,181.48
  5. Step 5: Solve for x
    x = 175,334,181.48/13,412.20
  6. Step 6: Final answer
    x = 13,072.74

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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.