Home / 22,590.37-31,174.33-12,518.79

Finding the Fourth Proportional to 22,590.37, 31,174.33 and 12,518.79

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Solution

The fourth proportional to 22,590.37, 31,174.33 and 12,518.79 is: 17,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590.37 : 31,174.33 = 12,518.79 : x
  2. Step 2: Convert to fraction form
    22,590.37/31,174.33 = 12,518.79/x
  3. Step 3: Cross multiply
    22,590.37x = 31,174.33 × 12,518.79
  4. Step 4: Simplify right side
    22,590.37x = 390,264,890.66
  5. Step 5: Solve for x
    x = 390,264,890.66/22,590.37
  6. Step 6: Final answer
    x = 17,275.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.