Home / 19,550.48-29,328.72-6,399.68

Finding the Fourth Proportional to 19,550.48, 29,328.72 and 6,399.68

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Solution

The fourth proportional to 19,550.48, 29,328.72 and 6,399.68 is: 9,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.48 : 29,328.72 = 6,399.68 : x
  2. Step 2: Convert to fraction form
    19,550.48/29,328.72 = 6,399.68/x
  3. Step 3: Cross multiply
    19,550.48x = 29,328.72 × 6,399.68
  4. Step 4: Simplify right side
    19,550.48x = 187,694,422.81
  5. Step 5: Solve for x
    x = 187,694,422.81/19,550.48
  6. Step 6: Final answer
    x = 9,600.50

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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.