Home / 15,193.44-20,966.40-8,816.04

Finding the Fourth Proportional to 15,193.44, 20,966.40 and 8,816.04

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Solution

The fourth proportional to 15,193.44, 20,966.40 and 8,816.04 is: 12,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193.44 : 20,966.40 = 8,816.04 : x
  2. Step 2: Convert to fraction form
    15,193.44/20,966.40 = 8,816.04/x
  3. Step 3: Cross multiply
    15,193.44x = 20,966.40 × 8,816.04
  4. Step 4: Simplify right side
    15,193.44x = 184,840,621.06
  5. Step 5: Solve for x
    x = 184,840,621.06/15,193.44
  6. Step 6: Final answer
    x = 12,165.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.