Home / 19,393.93-29,091.53-5,355.01

Finding the Fourth Proportional to 19,393.93, 29,091.53 and 5,355.01

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Solution

The fourth proportional to 19,393.93, 29,091.53 and 5,355.01 is: 8,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.93 : 29,091.53 = 5,355.01 : x
  2. Step 2: Convert to fraction form
    19,393.93/29,091.53 = 5,355.01/x
  3. Step 3: Cross multiply
    19,393.93x = 29,091.53 × 5,355.01
  4. Step 4: Simplify right side
    19,393.93x = 155,785,407.29
  5. Step 5: Solve for x
    x = 155,785,407.29/19,393.93
  6. Step 6: Final answer
    x = 8,032.69

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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.