Home / 13,017.10-19,528.20-4,249.66

Finding the Fourth Proportional to 13,017.10, 19,528.20 and 4,249.66

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Solution

The fourth proportional to 13,017.10, 19,528.20 and 4,249.66 is: 6,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.10 : 19,528.20 = 4,249.66 : x
  2. Step 2: Convert to fraction form
    13,017.10/19,528.20 = 4,249.66/x
  3. Step 3: Cross multiply
    13,017.10x = 19,528.20 × 4,249.66
  4. Step 4: Simplify right side
    13,017.10x = 82,988,210.41
  5. Step 5: Solve for x
    x = 82,988,210.41/13,017.10
  6. Step 6: Final answer
    x = 6,375.32

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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.