Home / 19,195.86-26,472.72-13,154.88

Finding the Fourth Proportional to 19,195.86, 26,472.72 and 13,154.88

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Solution

The fourth proportional to 19,195.86, 26,472.72 and 13,154.88 is: 18,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.86 : 26,472.72 = 13,154.88 : x
  2. Step 2: Convert to fraction form
    19,195.86/26,472.72 = 13,154.88/x
  3. Step 3: Cross multiply
    19,195.86x = 26,472.72 × 13,154.88
  4. Step 4: Simplify right side
    19,195.86x = 348,245,529.02
  5. Step 5: Solve for x
    x = 348,245,529.02/19,195.86
  6. Step 6: Final answer
    x = 18,141.70

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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.