Home / 9,795.62-13,518-5,319.40

Finding the Fourth Proportional to 9,795.62, 13,518 and 5,319.40

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Solution

The fourth proportional to 9,795.62, 13,518 and 5,319.40 is: 7,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.62 : 13,518 = 5,319.40 : x
  2. Step 2: Convert to fraction form
    9,795.62/13,518 = 5,319.40/x
  3. Step 3: Cross multiply
    9,795.62x = 13,518 × 5,319.40
  4. Step 4: Simplify right side
    9,795.62x = 71,907,649.20
  5. Step 5: Solve for x
    x = 71,907,649.20/9,795.62
  6. Step 6: Final answer
    x = 7,340.80

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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.