Home / 14,470.37-19,969.20-8,424.21

Finding the Fourth Proportional to 14,470.37, 19,969.20 and 8,424.21

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Solution

The fourth proportional to 14,470.37, 19,969.20 and 8,424.21 is: 11,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.37 : 19,969.20 = 8,424.21 : x
  2. Step 2: Convert to fraction form
    14,470.37/19,969.20 = 8,424.21/x
  3. Step 3: Cross multiply
    14,470.37x = 19,969.20 × 8,424.21
  4. Step 4: Simplify right side
    14,470.37x = 168,224,734.33
  5. Step 5: Solve for x
    x = 168,224,734.33/14,470.37
  6. Step 6: Final answer
    x = 11,625.47

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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.