Home / 18,757.06-25,881.16-10,690.56

Finding the Fourth Proportional to 18,757.06, 25,881.16 and 10,690.56

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Solution

The fourth proportional to 18,757.06, 25,881.16 and 10,690.56 is: 14,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.06 : 25,881.16 = 10,690.56 : x
  2. Step 2: Convert to fraction form
    18,757.06/25,881.16 = 10,690.56/x
  3. Step 3: Cross multiply
    18,757.06x = 25,881.16 × 10,690.56
  4. Step 4: Simplify right side
    18,757.06x = 276,684,153.63
  5. Step 5: Solve for x
    x = 276,684,153.63/18,757.06
  6. Step 6: Final answer
    x = 14,750.93

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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.