Home / 9,539.55-13,163.94-5,290.46

Finding the Fourth Proportional to 9,539.55, 13,163.94 and 5,290.46

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Solution

The fourth proportional to 9,539.55, 13,163.94 and 5,290.46 is: 7,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.55 : 13,163.94 = 5,290.46 : x
  2. Step 2: Convert to fraction form
    9,539.55/13,163.94 = 5,290.46/x
  3. Step 3: Cross multiply
    9,539.55x = 13,163.94 × 5,290.46
  4. Step 4: Simplify right side
    9,539.55x = 69,643,232.19
  5. Step 5: Solve for x
    x = 69,643,232.19/9,539.55
  6. Step 6: Final answer
    x = 7,300.47

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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.