Home / 9,629.06-13,294.47-6,446.45

Finding the Fourth Proportional to 9,629.06, 13,294.47 and 6,446.45

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Solution

The fourth proportional to 9,629.06, 13,294.47 and 6,446.45 is: 8,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.06 : 13,294.47 = 6,446.45 : x
  2. Step 2: Convert to fraction form
    9,629.06/13,294.47 = 6,446.45/x
  3. Step 3: Cross multiply
    9,629.06x = 13,294.47 × 6,446.45
  4. Step 4: Simplify right side
    9,629.06x = 85,702,069.66
  5. Step 5: Solve for x
    x = 85,702,069.66/9,629.06
  6. Step 6: Final answer
    x = 8,900.36

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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.