Home / 13,570.96-20,359.34-4,210.76

Finding the Fourth Proportional to 13,570.96, 20,359.34 and 4,210.76

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Solution

The fourth proportional to 13,570.96, 20,359.34 and 4,210.76 is: 6,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.96 : 20,359.34 = 4,210.76 : x
  2. Step 2: Convert to fraction form
    13,570.96/20,359.34 = 4,210.76/x
  3. Step 3: Cross multiply
    13,570.96x = 20,359.34 × 4,210.76
  4. Step 4: Simplify right side
    13,570.96x = 85,728,294.50
  5. Step 5: Solve for x
    x = 85,728,294.50/13,570.96
  6. Step 6: Final answer
    x = 6,317.04

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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.