Home / 13,571.08-20,359.80-4,210.62

Finding the Fourth Proportional to 13,571.08, 20,359.80 and 4,210.62

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Solution

The fourth proportional to 13,571.08, 20,359.80 and 4,210.62 is: 6,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.08 : 20,359.80 = 4,210.62 : x
  2. Step 2: Convert to fraction form
    13,571.08/20,359.80 = 4,210.62/x
  3. Step 3: Cross multiply
    13,571.08x = 20,359.80 × 4,210.62
  4. Step 4: Simplify right side
    13,571.08x = 85,727,381.08
  5. Step 5: Solve for x
    x = 85,727,381.08/13,571.08
  6. Step 6: Final answer
    x = 6,316.92

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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.