Home / 19,984.86-29,968.56-10,622.62

Finding the Fourth Proportional to 19,984.86, 29,968.56 and 10,622.62

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Solution

The fourth proportional to 19,984.86, 29,968.56 and 10,622.62 is: 15,929.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.86 : 29,968.56 = 10,622.62 : x
  2. Step 2: Convert to fraction form
    19,984.86/29,968.56 = 10,622.62/x
  3. Step 3: Cross multiply
    19,984.86x = 29,968.56 × 10,622.62
  4. Step 4: Simplify right side
    19,984.86x = 318,344,624.83
  5. Step 5: Solve for x
    x = 318,344,624.83/19,984.86
  6. Step 6: Final answer
    x = 15,929.29

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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.