Home / 19,409.36-29,115.84-5,368.80

Finding the Fourth Proportional to 19,409.36, 29,115.84 and 5,368.80

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Solution

The fourth proportional to 19,409.36, 29,115.84 and 5,368.80 is: 8,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.36 : 29,115.84 = 5,368.80 : x
  2. Step 2: Convert to fraction form
    19,409.36/29,115.84 = 5,368.80/x
  3. Step 3: Cross multiply
    19,409.36x = 29,115.84 × 5,368.80
  4. Step 4: Simplify right side
    19,409.36x = 156,317,121.79
  5. Step 5: Solve for x
    x = 156,317,121.79/19,409.36
  6. Step 6: Final answer
    x = 8,053.70

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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.