Home / 17,389.60-26,084.10-5,543.21

Finding the Fourth Proportional to 17,389.60, 26,084.10 and 5,543.21

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Solution

The fourth proportional to 17,389.60, 26,084.10 and 5,543.21 is: 8,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.60 : 26,084.10 = 5,543.21 : x
  2. Step 2: Convert to fraction form
    17,389.60/26,084.10 = 5,543.21/x
  3. Step 3: Cross multiply
    17,389.60x = 26,084.10 × 5,543.21
  4. Step 4: Simplify right side
    17,389.60x = 144,589,643.96
  5. Step 5: Solve for x
    x = 144,589,643.96/17,389.60
  6. Step 6: Final answer
    x = 8,314.72

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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.