Home / 20,017.02-30,018.99-11,136.60

Finding the Fourth Proportional to 20,017.02, 30,018.99 and 11,136.60

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Solution

The fourth proportional to 20,017.02, 30,018.99 and 11,136.60 is: 16,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.02 : 30,018.99 = 11,136.60 : x
  2. Step 2: Convert to fraction form
    20,017.02/30,018.99 = 11,136.60/x
  3. Step 3: Cross multiply
    20,017.02x = 30,018.99 × 11,136.60
  4. Step 4: Simplify right side
    20,017.02x = 334,309,484.03
  5. Step 5: Solve for x
    x = 334,309,484.03/20,017.02
  6. Step 6: Final answer
    x = 16,701.26

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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.