Home / 18,739.17-25,860.24-10,355.67

Finding the Fourth Proportional to 18,739.17, 25,860.24 and 10,355.67

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Solution

The fourth proportional to 18,739.17, 25,860.24 and 10,355.67 is: 14,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.17 : 25,860.24 = 10,355.67 : x
  2. Step 2: Convert to fraction form
    18,739.17/25,860.24 = 10,355.67/x
  3. Step 3: Cross multiply
    18,739.17x = 25,860.24 × 10,355.67
  4. Step 4: Simplify right side
    18,739.17x = 267,800,111.56
  5. Step 5: Solve for x
    x = 267,800,111.56/18,739.17
  6. Step 6: Final answer
    x = 14,290.93

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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.