Home / 18,840.87-26,000.73-10,343.78

Finding the Fourth Proportional to 18,840.87, 26,000.73 and 10,343.78

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Solution

The fourth proportional to 18,840.87, 26,000.73 and 10,343.78 is: 14,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.87 : 26,000.73 = 10,343.78 : x
  2. Step 2: Convert to fraction form
    18,840.87/26,000.73 = 10,343.78/x
  3. Step 3: Cross multiply
    18,840.87x = 26,000.73 × 10,343.78
  4. Step 4: Simplify right side
    18,840.87x = 268,945,895.96
  5. Step 5: Solve for x
    x = 268,945,895.96/18,840.87
  6. Step 6: Final answer
    x = 14,274.60

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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.