Home / 13,219.35-19,827.68-4,454.34

Finding the Fourth Proportional to 13,219.35, 19,827.68 and 4,454.34

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Solution

The fourth proportional to 13,219.35, 19,827.68 and 4,454.34 is: 6,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.35 : 19,827.68 = 4,454.34 : x
  2. Step 2: Convert to fraction form
    13,219.35/19,827.68 = 4,454.34/x
  3. Step 3: Cross multiply
    13,219.35x = 19,827.68 × 4,454.34
  4. Step 4: Simplify right side
    13,219.35x = 88,319,205.86
  5. Step 5: Solve for x
    x = 88,319,205.86/13,219.35
  6. Step 6: Final answer
    x = 6,681.06

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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.