Home / 18,895.90-26,076.58-10,399.00

Finding the Fourth Proportional to 18,895.90, 26,076.58 and 10,399.00

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Solution

The fourth proportional to 18,895.90, 26,076.58 and 10,399.00 is: 14,350.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.90 : 26,076.58 = 10,399.00 : x
  2. Step 2: Convert to fraction form
    18,895.90/26,076.58 = 10,399.00/x
  3. Step 3: Cross multiply
    18,895.90x = 26,076.58 × 10,399.00
  4. Step 4: Simplify right side
    18,895.90x = 271,170,173.04
  5. Step 5: Solve for x
    x = 271,170,173.04/18,895.90
  6. Step 6: Final answer
    x = 14,350.75

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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.