Home / 13,903.36-19,192.78-8,874.16

Finding the Fourth Proportional to 13,903.36, 19,192.78 and 8,874.16

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Solution

The fourth proportional to 13,903.36, 19,192.78 and 8,874.16 is: 12,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.36 : 19,192.78 = 8,874.16 : x
  2. Step 2: Convert to fraction form
    13,903.36/19,192.78 = 8,874.16/x
  3. Step 3: Cross multiply
    13,903.36x = 19,192.78 × 8,874.16
  4. Step 4: Simplify right side
    13,903.36x = 170,319,800.56
  5. Step 5: Solve for x
    x = 170,319,800.56/13,903.36
  6. Step 6: Final answer
    x = 12,250.26

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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.