Home / 13,683.34-20,542.02-9,549.64

Finding the Fourth Proportional to 13,683.34, 20,542.02 and 9,549.64

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Solution

The fourth proportional to 13,683.34, 20,542.02 and 9,549.64 is: 14,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.34 : 20,542.02 = 9,549.64 : x
  2. Step 2: Convert to fraction form
    13,683.34/20,542.02 = 9,549.64/x
  3. Step 3: Cross multiply
    13,683.34x = 20,542.02 × 9,549.64
  4. Step 4: Simplify right side
    13,683.34x = 196,168,895.87
  5. Step 5: Solve for x
    x = 196,168,895.87/13,683.34
  6. Step 6: Final answer
    x = 14,336.33

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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.