Home / 20,154.02-30,203.43-15,219.62

Finding the Fourth Proportional to 20,154.02, 30,203.43 and 15,219.62

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Solution

The fourth proportional to 20,154.02, 30,203.43 and 15,219.62 is: 22,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.02 : 30,203.43 = 15,219.62 : x
  2. Step 2: Convert to fraction form
    20,154.02/30,203.43 = 15,219.62/x
  3. Step 3: Cross multiply
    20,154.02x = 30,203.43 × 15,219.62
  4. Step 4: Simplify right side
    20,154.02x = 459,684,727.30
  5. Step 5: Solve for x
    x = 459,684,727.30/20,154.02
  6. Step 6: Final answer
    x = 22,808.59

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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.