Home / 10,860.12-16,289.10-5,016.65

Finding the Fourth Proportional to 10,860.12, 16,289.10 and 5,016.65

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Solution

The fourth proportional to 10,860.12, 16,289.10 and 5,016.65 is: 7,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.12 : 16,289.10 = 5,016.65 : x
  2. Step 2: Convert to fraction form
    10,860.12/16,289.10 = 5,016.65/x
  3. Step 3: Cross multiply
    10,860.12x = 16,289.10 × 5,016.65
  4. Step 4: Simplify right side
    10,860.12x = 81,716,632.07
  5. Step 5: Solve for x
    x = 81,716,632.07/10,860.12
  6. Step 6: Final answer
    x = 7,524.47

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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.