Home / 9,818.15-13,549.41-5,627.21

Finding the Fourth Proportional to 9,818.15, 13,549.41 and 5,627.21

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Solution

The fourth proportional to 9,818.15, 13,549.41 and 5,627.21 is: 7,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.15 : 13,549.41 = 5,627.21 : x
  2. Step 2: Convert to fraction form
    9,818.15/13,549.41 = 5,627.21/x
  3. Step 3: Cross multiply
    9,818.15x = 13,549.41 × 5,627.21
  4. Step 4: Simplify right side
    9,818.15x = 76,245,307.70
  5. Step 5: Solve for x
    x = 76,245,307.70/9,818.15
  6. Step 6: Final answer
    x = 7,765.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.