Home / 17,890.90-26,836.59-5,411.02

Finding the Fourth Proportional to 17,890.90, 26,836.59 and 5,411.02

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Solution

The fourth proportional to 17,890.90, 26,836.59 and 5,411.02 is: 8,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.90 : 26,836.59 = 5,411.02 : x
  2. Step 2: Convert to fraction form
    17,890.90/26,836.59 = 5,411.02/x
  3. Step 3: Cross multiply
    17,890.90x = 26,836.59 × 5,411.02
  4. Step 4: Simplify right side
    17,890.90x = 145,213,325.22
  5. Step 5: Solve for x
    x = 145,213,325.22/17,890.90
  6. Step 6: Final answer
    x = 8,116.60

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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.