Home / 12,137.04-18,195.84-4,740.12

Finding the Fourth Proportional to 12,137.04, 18,195.84 and 4,740.12

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Solution

The fourth proportional to 12,137.04, 18,195.84 and 4,740.12 is: 7,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.04 : 18,195.84 = 4,740.12 : x
  2. Step 2: Convert to fraction form
    12,137.04/18,195.84 = 4,740.12/x
  3. Step 3: Cross multiply
    12,137.04x = 18,195.84 × 4,740.12
  4. Step 4: Simplify right side
    12,137.04x = 86,250,465.10
  5. Step 5: Solve for x
    x = 86,250,465.10/12,137.04
  6. Step 6: Final answer
    x = 7,106.38

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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.