Home / 19,279.74-26,605.35-11,321.76

Finding the Fourth Proportional to 19,279.74, 26,605.35 and 11,321.76

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Solution

The fourth proportional to 19,279.74, 26,605.35 and 11,321.76 is: 15,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.74 : 26,605.35 = 11,321.76 : x
  2. Step 2: Convert to fraction form
    19,279.74/26,605.35 = 11,321.76/x
  3. Step 3: Cross multiply
    19,279.74x = 26,605.35 × 11,321.76
  4. Step 4: Simplify right side
    19,279.74x = 301,219,387.42
  5. Step 5: Solve for x
    x = 301,219,387.42/19,279.74
  6. Step 6: Final answer
    x = 15,623.62

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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.