Home / 12,186.05-18,265.07-5,598.40

Finding the Fourth Proportional to 12,186.05, 18,265.07 and 5,598.40

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Solution

The fourth proportional to 12,186.05, 18,265.07 and 5,598.40 is: 8,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186.05 : 18,265.07 = 5,598.40 : x
  2. Step 2: Convert to fraction form
    12,186.05/18,265.07 = 5,598.40/x
  3. Step 3: Cross multiply
    12,186.05x = 18,265.07 × 5,598.40
  4. Step 4: Simplify right side
    12,186.05x = 102,255,048.57
  5. Step 5: Solve for x
    x = 102,255,048.57/12,186.05
  6. Step 6: Final answer
    x = 8,391.16

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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.