Home / 20,374.81-30,563.57-5,582.48

Finding the Fourth Proportional to 20,374.81, 30,563.57 and 5,582.48

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Solution

The fourth proportional to 20,374.81, 30,563.57 and 5,582.48 is: 8,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.81 : 30,563.57 = 5,582.48 : x
  2. Step 2: Convert to fraction form
    20,374.81/30,563.57 = 5,582.48/x
  3. Step 3: Cross multiply
    20,374.81x = 30,563.57 × 5,582.48
  4. Step 4: Simplify right side
    20,374.81x = 170,620,490.34
  5. Step 5: Solve for x
    x = 170,620,490.34/20,374.81
  6. Step 6: Final answer
    x = 8,374.09

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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.