Home / 17,880.37-26,829.19-7,358.15

Finding the Fourth Proportional to 17,880.37, 26,829.19 and 7,358.15

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Solution

The fourth proportional to 17,880.37, 26,829.19 and 7,358.15 is: 11,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.37 : 26,829.19 = 7,358.15 : x
  2. Step 2: Convert to fraction form
    17,880.37/26,829.19 = 7,358.15/x
  3. Step 3: Cross multiply
    17,880.37x = 26,829.19 × 7,358.15
  4. Step 4: Simplify right side
    17,880.37x = 197,413,204.40
  5. Step 5: Solve for x
    x = 197,413,204.40/17,880.37
  6. Step 6: Final answer
    x = 11,040.78

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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.