Home / 14,979.56-20,687.46-9,393.64

Finding the Fourth Proportional to 14,979.56, 20,687.46 and 9,393.64

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Solution

The fourth proportional to 14,979.56, 20,687.46 and 9,393.64 is: 12,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.56 : 20,687.46 = 9,393.64 : x
  2. Step 2: Convert to fraction form
    14,979.56/20,687.46 = 9,393.64/x
  3. Step 3: Cross multiply
    14,979.56x = 20,687.46 × 9,393.64
  4. Step 4: Simplify right side
    14,979.56x = 194,330,551.75
  5. Step 5: Solve for x
    x = 194,330,551.75/14,979.56
  6. Step 6: Final answer
    x = 12,973.05

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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.