Home / 20,133.64-30,210.13-8,296.05

Finding the Fourth Proportional to 20,133.64, 30,210.13 and 8,296.05

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Solution

The fourth proportional to 20,133.64, 30,210.13 and 8,296.05 is: 12,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.64 : 30,210.13 = 8,296.05 : x
  2. Step 2: Convert to fraction form
    20,133.64/30,210.13 = 8,296.05/x
  3. Step 3: Cross multiply
    20,133.64x = 30,210.13 × 8,296.05
  4. Step 4: Simplify right side
    20,133.64x = 250,624,748.99
  5. Step 5: Solve for x
    x = 250,624,748.99/20,133.64
  6. Step 6: Final answer
    x = 12,448.06

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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.