Home / 19,174.34-26,482.72-12,789.83

Finding the Fourth Proportional to 19,174.34, 26,482.72 and 12,789.83

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Solution

The fourth proportional to 19,174.34, 26,482.72 and 12,789.83 is: 17,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.34 : 26,482.72 = 12,789.83 : x
  2. Step 2: Convert to fraction form
    19,174.34/26,482.72 = 12,789.83/x
  3. Step 3: Cross multiply
    19,174.34x = 26,482.72 × 12,789.83
  4. Step 4: Simplify right side
    19,174.34x = 338,709,486.74
  5. Step 5: Solve for x
    x = 338,709,486.74/19,174.34
  6. Step 6: Final answer
    x = 17,664.73

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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.