Home / 20,213.10-30,323.73-8,526.30

Finding the Fourth Proportional to 20,213.10, 30,323.73 and 8,526.30

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Solution

The fourth proportional to 20,213.10, 30,323.73 and 8,526.30 is: 12,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.10 : 30,323.73 = 8,526.30 : x
  2. Step 2: Convert to fraction form
    20,213.10/30,323.73 = 8,526.30/x
  3. Step 3: Cross multiply
    20,213.10x = 30,323.73 × 8,526.30
  4. Step 4: Simplify right side
    20,213.10x = 258,549,219.10
  5. Step 5: Solve for x
    x = 258,549,219.10/20,213.10
  6. Step 6: Final answer
    x = 12,791.17

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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.