Home / 19,389.16-29,089.47-6,241.21

Finding the Fourth Proportional to 19,389.16, 29,089.47 and 6,241.21

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Solution

The fourth proportional to 19,389.16, 29,089.47 and 6,241.21 is: 9,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.16 : 29,089.47 = 6,241.21 : x
  2. Step 2: Convert to fraction form
    19,389.16/29,089.47 = 6,241.21/x
  3. Step 3: Cross multiply
    19,389.16x = 29,089.47 × 6,241.21
  4. Step 4: Simplify right side
    19,389.16x = 181,553,491.06
  5. Step 5: Solve for x
    x = 181,553,491.06/19,389.16
  6. Step 6: Final answer
    x = 9,363.66

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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.