Home / 13,394.72-20,094.06-12,574.64

Finding the Fourth Proportional to 13,394.72, 20,094.06 and 12,574.64

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Solution

The fourth proportional to 13,394.72, 20,094.06 and 12,574.64 is: 18,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.72 : 20,094.06 = 12,574.64 : x
  2. Step 2: Convert to fraction form
    13,394.72/20,094.06 = 12,574.64/x
  3. Step 3: Cross multiply
    13,394.72x = 20,094.06 × 12,574.64
  4. Step 4: Simplify right side
    13,394.72x = 252,675,570.64
  5. Step 5: Solve for x
    x = 252,675,570.64/13,394.72
  6. Step 6: Final answer
    x = 18,863.82

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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.