Home / 14,242.32-19,650.60-7,954.56

Finding the Fourth Proportional to 14,242.32, 19,650.60 and 7,954.56

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Solution

The fourth proportional to 14,242.32, 19,650.60 and 7,954.56 is: 10,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.32 : 19,650.60 = 7,954.56 : x
  2. Step 2: Convert to fraction form
    14,242.32/19,650.60 = 7,954.56/x
  3. Step 3: Cross multiply
    14,242.32x = 19,650.60 × 7,954.56
  4. Step 4: Simplify right side
    14,242.32x = 156,311,876.74
  5. Step 5: Solve for x
    x = 156,311,876.74/14,242.32
  6. Step 6: Final answer
    x = 10,975.17

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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.