Home / 20,160.02-30,241.56-5,368.88

Finding the Fourth Proportional to 20,160.02, 30,241.56 and 5,368.88

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Solution

The fourth proportional to 20,160.02, 30,241.56 and 5,368.88 is: 8,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.02 : 30,241.56 = 5,368.88 : x
  2. Step 2: Convert to fraction form
    20,160.02/30,241.56 = 5,368.88/x
  3. Step 3: Cross multiply
    20,160.02x = 30,241.56 × 5,368.88
  4. Step 4: Simplify right side
    20,160.02x = 162,363,306.65
  5. Step 5: Solve for x
    x = 162,363,306.65/20,160.02
  6. Step 6: Final answer
    x = 8,053.73

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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.