Home / 9,018.64-13,513.80-7,625.44

Finding the Fourth Proportional to 9,018.64, 13,513.80 and 7,625.44

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Solution

The fourth proportional to 9,018.64, 13,513.80 and 7,625.44 is: 11,426.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.64 : 13,513.80 = 7,625.44 : x
  2. Step 2: Convert to fraction form
    9,018.64/13,513.80 = 7,625.44/x
  3. Step 3: Cross multiply
    9,018.64x = 13,513.80 × 7,625.44
  4. Step 4: Simplify right side
    9,018.64x = 103,048,671.07
  5. Step 5: Solve for x
    x = 103,048,671.07/9,018.64
  6. Step 6: Final answer
    x = 11,426.19

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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.