Home / 9,796.74-13,519.62-5,320.53

Finding the Fourth Proportional to 9,796.74, 13,519.62 and 5,320.53

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Solution

The fourth proportional to 9,796.74, 13,519.62 and 5,320.53 is: 7,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,796.74 : 13,519.62 = 5,320.53 : x
  2. Step 2: Convert to fraction form
    9,796.74/13,519.62 = 5,320.53/x
  3. Step 3: Cross multiply
    9,796.74x = 13,519.62 × 5,320.53
  4. Step 4: Simplify right side
    9,796.74x = 71,931,543.80
  5. Step 5: Solve for x
    x = 71,931,543.80/9,796.74
  6. Step 6: Final answer
    x = 7,342.40

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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.