Home / 20,410.39-30,602.27-8,571.74

Finding the Fourth Proportional to 20,410.39, 30,602.27 and 8,571.74

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Solution

The fourth proportional to 20,410.39, 30,602.27 and 8,571.74 is: 12,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.39 : 30,602.27 = 8,571.74 : x
  2. Step 2: Convert to fraction form
    20,410.39/30,602.27 = 8,571.74/x
  3. Step 3: Cross multiply
    20,410.39x = 30,602.27 × 8,571.74
  4. Step 4: Simplify right side
    20,410.39x = 262,314,570.27
  5. Step 5: Solve for x
    x = 262,314,570.27/20,410.39
  6. Step 6: Final answer
    x = 12,852.01

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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.