Home / 19,399.40-29,095.58-5,545

Finding the Fourth Proportional to 19,399.40, 29,095.58 and 5,545

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Solution

The fourth proportional to 19,399.40, 29,095.58 and 5,545 is: 8,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.40 : 29,095.58 = 5,545 : x
  2. Step 2: Convert to fraction form
    19,399.40/29,095.58 = 5,545/x
  3. Step 3: Cross multiply
    19,399.40x = 29,095.58 × 5,545
  4. Step 4: Simplify right side
    19,399.40x = 161,334,991.10
  5. Step 5: Solve for x
    x = 161,334,991.10/19,399.40
  6. Step 6: Final answer
    x = 8,316.49

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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.