Home / 9,763.06-13,475.01-6,620.26

Finding the Fourth Proportional to 9,763.06, 13,475.01 and 6,620.26

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Solution

The fourth proportional to 9,763.06, 13,475.01 and 6,620.26 is: 9,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.06 : 13,475.01 = 6,620.26 : x
  2. Step 2: Convert to fraction form
    9,763.06/13,475.01 = 6,620.26/x
  3. Step 3: Cross multiply
    9,763.06x = 13,475.01 × 6,620.26
  4. Step 4: Simplify right side
    9,763.06x = 89,208,069.70
  5. Step 5: Solve for x
    x = 89,208,069.70/9,763.06
  6. Step 6: Final answer
    x = 9,137.31

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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.