Home / 20,113.02-30,172.27-11,683.48

Finding the Fourth Proportional to 20,113.02, 30,172.27 and 11,683.48

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Solution

The fourth proportional to 20,113.02, 30,172.27 and 11,683.48 is: 17,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.02 : 30,172.27 = 11,683.48 : x
  2. Step 2: Convert to fraction form
    20,113.02/30,172.27 = 11,683.48/x
  3. Step 3: Cross multiply
    20,113.02x = 30,172.27 × 11,683.48
  4. Step 4: Simplify right side
    20,113.02x = 352,517,113.10
  5. Step 5: Solve for x
    x = 352,517,113.10/20,113.02
  6. Step 6: Final answer
    x = 17,526.81

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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.