Home / 18,860.11-26,027.37-10,902.67

Finding the Fourth Proportional to 18,860.11, 26,027.37 and 10,902.67

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Solution

The fourth proportional to 18,860.11, 26,027.37 and 10,902.67 is: 15,045.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.11 : 26,027.37 = 10,902.67 : x
  2. Step 2: Convert to fraction form
    18,860.11/26,027.37 = 10,902.67/x
  3. Step 3: Cross multiply
    18,860.11x = 26,027.37 × 10,902.67
  4. Step 4: Simplify right side
    18,860.11x = 283,767,641.43
  5. Step 5: Solve for x
    x = 283,767,641.43/18,860.11
  6. Step 6: Final answer
    x = 15,045.92

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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.