Home / 9,189.36-12,669.48-6,675.12

Finding the Fourth Proportional to 9,189.36, 12,669.48 and 6,675.12

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Solution

The fourth proportional to 9,189.36, 12,669.48 and 6,675.12 is: 9,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.36 : 12,669.48 = 6,675.12 : x
  2. Step 2: Convert to fraction form
    9,189.36/12,669.48 = 6,675.12/x
  3. Step 3: Cross multiply
    9,189.36x = 12,669.48 × 6,675.12
  4. Step 4: Simplify right side
    9,189.36x = 84,570,299.34
  5. Step 5: Solve for x
    x = 84,570,299.34/9,189.36
  6. Step 6: Final answer
    x = 9,203.07

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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.