Home / 19,086.08-28,599.91-10,202.67

Finding the Fourth Proportional to 19,086.08, 28,599.91 and 10,202.67

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Solution

The fourth proportional to 19,086.08, 28,599.91 and 10,202.67 is: 15,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.08 : 28,599.91 = 10,202.67 : x
  2. Step 2: Convert to fraction form
    19,086.08/28,599.91 = 10,202.67/x
  3. Step 3: Cross multiply
    19,086.08x = 28,599.91 × 10,202.67
  4. Step 4: Simplify right side
    19,086.08x = 291,795,443.76
  5. Step 5: Solve for x
    x = 291,795,443.76/19,086.08
  6. Step 6: Final answer
    x = 15,288.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.