Home / 14,440.77-19,925.66-8,391.29

Finding the Fourth Proportional to 14,440.77, 19,925.66 and 8,391.29

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Solution

The fourth proportional to 14,440.77, 19,925.66 and 8,391.29 is: 11,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.77 : 19,925.66 = 8,391.29 : x
  2. Step 2: Convert to fraction form
    14,440.77/19,925.66 = 8,391.29/x
  3. Step 3: Cross multiply
    14,440.77x = 19,925.66 × 8,391.29
  4. Step 4: Simplify right side
    14,440.77x = 167,201,912.85
  5. Step 5: Solve for x
    x = 167,201,912.85/14,440.77
  6. Step 6: Final answer
    x = 11,578.46

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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.