Home / 11,138.80-16,693.60-5,598.40

Finding the Fourth Proportional to 11,138.80, 16,693.60 and 5,598.40

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Solution

The fourth proportional to 11,138.80, 16,693.60 and 5,598.40 is: 8,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.80 : 16,693.60 = 5,598.40 : x
  2. Step 2: Convert to fraction form
    11,138.80/16,693.60 = 5,598.40/x
  3. Step 3: Cross multiply
    11,138.80x = 16,693.60 × 5,598.40
  4. Step 4: Simplify right side
    11,138.80x = 93,457,450.24
  5. Step 5: Solve for x
    x = 93,457,450.24/11,138.80
  6. Step 6: Final answer
    x = 8,390.26

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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.