Home / 17,880.53-26,823.31-5,399.14

Finding the Fourth Proportional to 17,880.53, 26,823.31 and 5,399.14

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Solution

The fourth proportional to 17,880.53, 26,823.31 and 5,399.14 is: 8,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.53 : 26,823.31 = 5,399.14 : x
  2. Step 2: Convert to fraction form
    17,880.53/26,823.31 = 5,399.14/x
  3. Step 3: Cross multiply
    17,880.53x = 26,823.31 × 5,399.14
  4. Step 4: Simplify right side
    17,880.53x = 144,822,815.86
  5. Step 5: Solve for x
    x = 144,822,815.86/17,880.53
  6. Step 6: Final answer
    x = 8,099.47

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1.5x scale

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.