Home / 9,045.12-13,564.80-4,431.36

Finding the Fourth Proportional to 9,045.12, 13,564.80 and 4,431.36

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Solution

The fourth proportional to 9,045.12, 13,564.80 and 4,431.36 is: 6,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.12 : 13,564.80 = 4,431.36 : x
  2. Step 2: Convert to fraction form
    9,045.12/13,564.80 = 4,431.36/x
  3. Step 3: Cross multiply
    9,045.12x = 13,564.80 × 4,431.36
  4. Step 4: Simplify right side
    9,045.12x = 60,110,512.13
  5. Step 5: Solve for x
    x = 60,110,512.13/9,045.12
  6. Step 6: Final answer
    x = 6,645.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.