Home / 13,219.49-19,826.99-4,334.65

Finding the Fourth Proportional to 13,219.49, 19,826.99 and 4,334.65

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Solution

The fourth proportional to 13,219.49, 19,826.99 and 4,334.65 is: 6,501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.49 : 19,826.99 = 4,334.65 : x
  2. Step 2: Convert to fraction form
    13,219.49/19,826.99 = 4,334.65/x
  3. Step 3: Cross multiply
    13,219.49x = 19,826.99 × 4,334.65
  4. Step 4: Simplify right side
    13,219.49x = 85,942,941.40
  5. Step 5: Solve for x
    x = 85,942,941.40/13,219.49
  6. Step 6: Final answer
    x = 6,501.23

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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.