Home / 9,970.87-13,759.62-5,433.59

Finding the Fourth Proportional to 9,970.87, 13,759.62 and 5,433.59

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Solution

The fourth proportional to 9,970.87, 13,759.62 and 5,433.59 is: 7,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.87 : 13,759.62 = 5,433.59 : x
  2. Step 2: Convert to fraction form
    9,970.87/13,759.62 = 5,433.59/x
  3. Step 3: Cross multiply
    9,970.87x = 13,759.62 × 5,433.59
  4. Step 4: Simplify right side
    9,970.87x = 74,764,110.50
  5. Step 5: Solve for x
    x = 74,764,110.50/9,970.87
  6. Step 6: Final answer
    x = 7,498.26

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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.