Home / 19,090.46-28,604.91-10,329.50

Finding the Fourth Proportional to 19,090.46, 28,604.91 and 10,329.50

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Solution

The fourth proportional to 19,090.46, 28,604.91 and 10,329.50 is: 15,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.46 : 28,604.91 = 10,329.50 : x
  2. Step 2: Convert to fraction form
    19,090.46/28,604.91 = 10,329.50/x
  3. Step 3: Cross multiply
    19,090.46x = 28,604.91 × 10,329.50
  4. Step 4: Simplify right side
    19,090.46x = 295,474,417.85
  5. Step 5: Solve for x
    x = 295,474,417.85/19,090.46
  6. Step 6: Final answer
    x = 15,477.60

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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.