Home / 9,796.21-13,518.80-5,319.99

Finding the Fourth Proportional to 9,796.21, 13,518.80 and 5,319.99

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Solution

The fourth proportional to 9,796.21, 13,518.80 and 5,319.99 is: 7,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,796.21 : 13,518.80 = 5,319.99 : x
  2. Step 2: Convert to fraction form
    9,796.21/13,518.80 = 5,319.99/x
  3. Step 3: Cross multiply
    9,796.21x = 13,518.80 × 5,319.99
  4. Step 4: Simplify right side
    9,796.21x = 71,919,880.81
  5. Step 5: Solve for x
    x = 71,919,880.81/9,796.21
  6. Step 6: Final answer
    x = 7,341.60

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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.