Home / 9,643.80-13,308.03-5,395.26

Finding the Fourth Proportional to 9,643.80, 13,308.03 and 5,395.26

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Solution

The fourth proportional to 9,643.80, 13,308.03 and 5,395.26 is: 7,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.80 : 13,308.03 = 5,395.26 : x
  2. Step 2: Convert to fraction form
    9,643.80/13,308.03 = 5,395.26/x
  3. Step 3: Cross multiply
    9,643.80x = 13,308.03 × 5,395.26
  4. Step 4: Simplify right side
    9,643.80x = 71,800,281.94
  5. Step 5: Solve for x
    x = 71,800,281.94/9,643.80
  6. Step 6: Final answer
    x = 7,445.23

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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.