Home / 19,880.08-29,823.77-6,553.87

Finding the Fourth Proportional to 19,880.08, 29,823.77 and 6,553.87

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Solution

The fourth proportional to 19,880.08, 29,823.77 and 6,553.87 is: 9,832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.08 : 29,823.77 = 6,553.87 : x
  2. Step 2: Convert to fraction form
    19,880.08/29,823.77 = 6,553.87/x
  3. Step 3: Cross multiply
    19,880.08x = 29,823.77 × 6,553.87
  4. Step 4: Simplify right side
    19,880.08x = 195,461,053.32
  5. Step 5: Solve for x
    x = 195,461,053.32/19,880.08
  6. Step 6: Final answer
    x = 9,832.01

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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.