Home / 22,420.08-33,630.11-10,571.09

Finding the Fourth Proportional to 22,420.08, 33,630.11 and 10,571.09

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Solution

The fourth proportional to 22,420.08, 33,630.11 and 10,571.09 is: 15,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.08 : 33,630.11 = 10,571.09 : x
  2. Step 2: Convert to fraction form
    22,420.08/33,630.11 = 10,571.09/x
  3. Step 3: Cross multiply
    22,420.08x = 33,630.11 × 10,571.09
  4. Step 4: Simplify right side
    22,420.08x = 355,506,698.51
  5. Step 5: Solve for x
    x = 355,506,698.51/22,420.08
  6. Step 6: Final answer
    x = 15,856.62

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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.