Home / 12,845.04-17,725.32-7,256.40

Finding the Fourth Proportional to 12,845.04, 17,725.32 and 7,256.40

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Solution

The fourth proportional to 12,845.04, 17,725.32 and 7,256.40 is: 10,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.04 : 17,725.32 = 7,256.40 : x
  2. Step 2: Convert to fraction form
    12,845.04/17,725.32 = 7,256.40/x
  3. Step 3: Cross multiply
    12,845.04x = 17,725.32 × 7,256.40
  4. Step 4: Simplify right side
    12,845.04x = 128,622,012.05
  5. Step 5: Solve for x
    x = 128,622,012.05/12,845.04
  6. Step 6: Final answer
    x = 10,013.36

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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.