Home / 13,853.64-19,112.58-8,816.52

Finding the Fourth Proportional to 13,853.64, 19,112.58 and 8,816.52

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Solution

The fourth proportional to 13,853.64, 19,112.58 and 8,816.52 is: 12,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.64 : 19,112.58 = 8,816.52 : x
  2. Step 2: Convert to fraction form
    13,853.64/19,112.58 = 8,816.52/x
  3. Step 3: Cross multiply
    13,853.64x = 19,112.58 × 8,816.52
  4. Step 4: Simplify right side
    13,853.64x = 168,506,443.82
  5. Step 5: Solve for x
    x = 168,506,443.82/13,853.64
  6. Step 6: Final answer
    x = 12,163.33

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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.