Home / 19,984.81-29,995.37-10,632.65

Finding the Fourth Proportional to 19,984.81, 29,995.37 and 10,632.65

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Solution

The fourth proportional to 19,984.81, 29,995.37 and 10,632.65 is: 15,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.81 : 29,995.37 = 10,632.65 : x
  2. Step 2: Convert to fraction form
    19,984.81/29,995.37 = 10,632.65/x
  3. Step 3: Cross multiply
    19,984.81x = 29,995.37 × 10,632.65
  4. Step 4: Simplify right side
    19,984.81x = 318,930,270.83
  5. Step 5: Solve for x
    x = 318,930,270.83/19,984.81
  6. Step 6: Final answer
    x = 15,958.63

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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.