Home / 13,068.95-19,603.11-3,208.21

Finding the Fourth Proportional to 13,068.95, 19,603.11 and 3,208.21

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Solution

The fourth proportional to 13,068.95, 19,603.11 and 3,208.21 is: 4,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.95 : 19,603.11 = 3,208.21 : x
  2. Step 2: Convert to fraction form
    13,068.95/19,603.11 = 3,208.21/x
  3. Step 3: Cross multiply
    13,068.95x = 19,603.11 × 3,208.21
  4. Step 4: Simplify right side
    13,068.95x = 62,890,856.56
  5. Step 5: Solve for x
    x = 62,890,856.56/13,068.95
  6. Step 6: Final answer
    x = 4,812.24

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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.