Home / 18,861.11-26,028.75-10,903.67

Finding the Fourth Proportional to 18,861.11, 26,028.75 and 10,903.67

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Solution

The fourth proportional to 18,861.11, 26,028.75 and 10,903.67 is: 15,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.11 : 26,028.75 = 10,903.67 : x
  2. Step 2: Convert to fraction form
    18,861.11/26,028.75 = 10,903.67/x
  3. Step 3: Cross multiply
    18,861.11x = 26,028.75 × 10,903.67
  4. Step 4: Simplify right side
    18,861.11x = 283,808,770.37
  5. Step 5: Solve for x
    x = 283,808,770.37/18,861.11
  6. Step 6: Final answer
    x = 15,047.30

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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.