Home / 18,956.64-26,154.91-12,242.55

Finding the Fourth Proportional to 18,956.64, 26,154.91 and 12,242.55

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Solution

The fourth proportional to 18,956.64, 26,154.91 and 12,242.55 is: 16,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.64 : 26,154.91 = 12,242.55 : x
  2. Step 2: Convert to fraction form
    18,956.64/26,154.91 = 12,242.55/x
  3. Step 3: Cross multiply
    18,956.64x = 26,154.91 × 12,242.55
  4. Step 4: Simplify right side
    18,956.64x = 320,202,632.04
  5. Step 5: Solve for x
    x = 320,202,632.04/18,956.64
  6. Step 6: Final answer
    x = 16,891.32

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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.