Home / 18,276.82-25,222.01-9,893.32

Finding the Fourth Proportional to 18,276.82, 25,222.01 and 9,893.32

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Solution

The fourth proportional to 18,276.82, 25,222.01 and 9,893.32 is: 13,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.82 : 25,222.01 = 9,893.32 : x
  2. Step 2: Convert to fraction form
    18,276.82/25,222.01 = 9,893.32/x
  3. Step 3: Cross multiply
    18,276.82x = 25,222.01 × 9,893.32
  4. Step 4: Simplify right side
    18,276.82x = 249,529,366.51
  5. Step 5: Solve for x
    x = 249,529,366.51/18,276.82
  6. Step 6: Final answer
    x = 13,652.78

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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.