Home / 19,881.13-29,821.83-5,841.40

Finding the Fourth Proportional to 19,881.13, 29,821.83 and 5,841.40

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Solution

The fourth proportional to 19,881.13, 29,821.83 and 5,841.40 is: 8,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,881.13 : 29,821.83 = 5,841.40 : x
  2. Step 2: Convert to fraction form
    19,881.13/29,821.83 = 5,841.40/x
  3. Step 3: Cross multiply
    19,881.13x = 29,821.83 × 5,841.40
  4. Step 4: Simplify right side
    19,881.13x = 174,201,237.76
  5. Step 5: Solve for x
    x = 174,201,237.76/19,881.13
  6. Step 6: Final answer
    x = 8,762.14

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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.