Home / 13,549.02-20,330.01-8,365.02

Finding the Fourth Proportional to 13,549.02, 20,330.01 and 8,365.02

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Solution

The fourth proportional to 13,549.02, 20,330.01 and 8,365.02 is: 12,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.02 : 20,330.01 = 8,365.02 : x
  2. Step 2: Convert to fraction form
    13,549.02/20,330.01 = 8,365.02/x
  3. Step 3: Cross multiply
    13,549.02x = 20,330.01 × 8,365.02
  4. Step 4: Simplify right side
    13,549.02x = 170,060,940.25
  5. Step 5: Solve for x
    x = 170,060,940.25/13,549.02
  6. Step 6: Final answer
    x = 12,551.53

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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.