Home / 20,658.07-30,987.42-5,867.02

Finding the Fourth Proportional to 20,658.07, 30,987.42 and 5,867.02

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Solution

The fourth proportional to 20,658.07, 30,987.42 and 5,867.02 is: 8,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,658.07 : 30,987.42 = 5,867.02 : x
  2. Step 2: Convert to fraction form
    20,658.07/30,987.42 = 5,867.02/x
  3. Step 3: Cross multiply
    20,658.07x = 30,987.42 × 5,867.02
  4. Step 4: Simplify right side
    20,658.07x = 181,803,812.89
  5. Step 5: Solve for x
    x = 181,803,812.89/20,658.07
  6. Step 6: Final answer
    x = 8,800.62

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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.