Home / 19,389.02-29,089.37-6,907.42

Finding the Fourth Proportional to 19,389.02, 29,089.37 and 6,907.42

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Solution

The fourth proportional to 19,389.02, 29,089.37 and 6,907.42 is: 10,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.02 : 29,089.37 = 6,907.42 : x
  2. Step 2: Convert to fraction form
    19,389.02/29,089.37 = 6,907.42/x
  3. Step 3: Cross multiply
    19,389.02x = 29,089.37 × 6,907.42
  4. Step 4: Simplify right side
    19,389.02x = 200,932,316.14
  5. Step 5: Solve for x
    x = 200,932,316.14/19,389.02
  6. Step 6: Final answer
    x = 10,363.20

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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.