Home / 13,697.38-20,446.98-12,036.64

Finding the Fourth Proportional to 13,697.38, 20,446.98 and 12,036.64

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Solution

The fourth proportional to 13,697.38, 20,446.98 and 12,036.64 is: 17,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697.38 : 20,446.98 = 12,036.64 : x
  2. Step 2: Convert to fraction form
    13,697.38/20,446.98 = 12,036.64/x
  3. Step 3: Cross multiply
    13,697.38x = 20,446.98 × 12,036.64
  4. Step 4: Simplify right side
    13,697.38x = 246,112,937.35
  5. Step 5: Solve for x
    x = 246,112,937.35/13,697.38
  6. Step 6: Final answer
    x = 17,967.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.