Home / 9,539.30-13,163.98-5,290.29

Finding the Fourth Proportional to 9,539.30, 13,163.98 and 5,290.29

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Solution

The fourth proportional to 9,539.30, 13,163.98 and 5,290.29 is: 7,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.30 : 13,163.98 = 5,290.29 : x
  2. Step 2: Convert to fraction form
    9,539.30/13,163.98 = 5,290.29/x
  3. Step 3: Cross multiply
    9,539.30x = 13,163.98 × 5,290.29
  4. Step 4: Simplify right side
    9,539.30x = 69,641,205.93
  5. Step 5: Solve for x
    x = 69,641,205.93/9,539.30
  6. Step 6: Final answer
    x = 7,300.46

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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.