Home / 13,569.08-20,354.39-4,210.43

Finding the Fourth Proportional to 13,569.08, 20,354.39 and 4,210.43

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Solution

The fourth proportional to 13,569.08, 20,354.39 and 4,210.43 is: 6,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.08 : 20,354.39 = 4,210.43 : x
  2. Step 2: Convert to fraction form
    13,569.08/20,354.39 = 4,210.43/x
  3. Step 3: Cross multiply
    13,569.08x = 20,354.39 × 4,210.43
  4. Step 4: Simplify right side
    13,569.08x = 85,700,734.29
  5. Step 5: Solve for x
    x = 85,700,734.29/13,569.08
  6. Step 6: Final answer
    x = 6,315.88

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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.