Home / 18,790.75-25,932.05-10,407.25

Finding the Fourth Proportional to 18,790.75, 25,932.05 and 10,407.25

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Solution

The fourth proportional to 18,790.75, 25,932.05 and 10,407.25 is: 14,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.75 : 25,932.05 = 10,407.25 : x
  2. Step 2: Convert to fraction form
    18,790.75/25,932.05 = 10,407.25/x
  3. Step 3: Cross multiply
    18,790.75x = 25,932.05 × 10,407.25
  4. Step 4: Simplify right side
    18,790.75x = 269,881,275.33
  5. Step 5: Solve for x
    x = 269,881,275.33/18,790.75
  6. Step 6: Final answer
    x = 14,362.45

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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.