Home / 19,389.66-29,087.28-6,237.66

Finding the Fourth Proportional to 19,389.66, 29,087.28 and 6,237.66

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Solution

The fourth proportional to 19,389.66, 29,087.28 and 6,237.66 is: 9,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.66 : 29,087.28 = 6,237.66 : x
  2. Step 2: Convert to fraction form
    19,389.66/29,087.28 = 6,237.66/x
  3. Step 3: Cross multiply
    19,389.66x = 29,087.28 × 6,237.66
  4. Step 4: Simplify right side
    19,389.66x = 181,436,562.96
  5. Step 5: Solve for x
    x = 181,436,562.96/19,389.66
  6. Step 6: Final answer
    x = 9,357.39

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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.