Home / 13,059.50-19,589.21-4,739.51

Finding the Fourth Proportional to 13,059.50, 19,589.21 and 4,739.51

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Solution

The fourth proportional to 13,059.50, 19,589.21 and 4,739.51 is: 7,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.50 : 19,589.21 = 4,739.51 : x
  2. Step 2: Convert to fraction form
    13,059.50/19,589.21 = 4,739.51/x
  3. Step 3: Cross multiply
    13,059.50x = 19,589.21 × 4,739.51
  4. Step 4: Simplify right side
    13,059.50x = 92,843,152.82
  5. Step 5: Solve for x
    x = 92,843,152.82/13,059.50
  6. Step 6: Final answer
    x = 7,109.24

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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.