Home / 14,328.45-19,772.27-7,954.54

Finding the Fourth Proportional to 14,328.45, 19,772.27 and 7,954.54

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Solution

The fourth proportional to 14,328.45, 19,772.27 and 7,954.54 is: 10,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.45 : 19,772.27 = 7,954.54 : x
  2. Step 2: Convert to fraction form
    14,328.45/19,772.27 = 7,954.54/x
  3. Step 3: Cross multiply
    14,328.45x = 19,772.27 × 7,954.54
  4. Step 4: Simplify right side
    14,328.45x = 157,279,312.61
  5. Step 5: Solve for x
    x = 157,279,312.61/14,328.45
  6. Step 6: Final answer
    x = 10,976.72

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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.