Home / 12,035.55-18,039.36-5,011.65

Finding the Fourth Proportional to 12,035.55, 18,039.36 and 5,011.65

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Solution

The fourth proportional to 12,035.55, 18,039.36 and 5,011.65 is: 7,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.55 : 18,039.36 = 5,011.65 : x
  2. Step 2: Convert to fraction form
    12,035.55/18,039.36 = 5,011.65/x
  3. Step 3: Cross multiply
    12,035.55x = 18,039.36 × 5,011.65
  4. Step 4: Simplify right side
    12,035.55x = 90,406,958.54
  5. Step 5: Solve for x
    x = 90,406,958.54/12,035.55
  6. Step 6: Final answer
    x = 7,511.66

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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.