Home / 20,169.64-30,254.21-9,068.49

Finding the Fourth Proportional to 20,169.64, 30,254.21 and 9,068.49

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Solution

The fourth proportional to 20,169.64, 30,254.21 and 9,068.49 is: 13,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.64 : 30,254.21 = 9,068.49 : x
  2. Step 2: Convert to fraction form
    20,169.64/30,254.21 = 9,068.49/x
  3. Step 3: Cross multiply
    20,169.64x = 30,254.21 × 9,068.49
  4. Step 4: Simplify right side
    20,169.64x = 274,359,989.51
  5. Step 5: Solve for x
    x = 274,359,989.51/20,169.64
  6. Step 6: Final answer
    x = 13,602.62

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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.