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Finding the Fourth Proportional to 15,058.76, 22,601.92 and 7,668.32

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Solution

The fourth proportional to 15,058.76, 22,601.92 and 7,668.32 is: 11,509.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058.76 : 22,601.92 = 7,668.32 : x
  2. Step 2: Convert to fraction form
    15,058.76/22,601.92 = 7,668.32/x
  3. Step 3: Cross multiply
    15,058.76x = 22,601.92 × 7,668.32
  4. Step 4: Simplify right side
    15,058.76x = 173,318,755.17
  5. Step 5: Solve for x
    x = 173,318,755.17/15,058.76
  6. Step 6: Final answer
    x = 11,509.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.