Home / 18,863.75-26,030.43-10,906.45

Finding the Fourth Proportional to 18,863.75, 26,030.43 and 10,906.45

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Solution

The fourth proportional to 18,863.75, 26,030.43 and 10,906.45 is: 15,050.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.75 : 26,030.43 = 10,906.45 : x
  2. Step 2: Convert to fraction form
    18,863.75/26,030.43 = 10,906.45/x
  3. Step 3: Cross multiply
    18,863.75x = 26,030.43 × 10,906.45
  4. Step 4: Simplify right side
    18,863.75x = 283,899,518.20
  5. Step 5: Solve for x
    x = 283,899,518.20/18,863.75
  6. Step 6: Final answer
    x = 15,050.00

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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.