Home / 9,042.64-13,475.21-8,745.37

Finding the Fourth Proportional to 9,042.64, 13,475.21 and 8,745.37

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Solution

The fourth proportional to 9,042.64, 13,475.21 and 8,745.37 is: 13,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.64 : 13,475.21 = 8,745.37 : x
  2. Step 2: Convert to fraction form
    9,042.64/13,475.21 = 8,745.37/x
  3. Step 3: Cross multiply
    9,042.64x = 13,475.21 × 8,745.37
  4. Step 4: Simplify right side
    9,042.64x = 117,845,697.28
  5. Step 5: Solve for x
    x = 117,845,697.28/9,042.64
  6. Step 6: Final answer
    x = 13,032.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.