Home / 13,260.40-19,889.48-6,238.76

Finding the Fourth Proportional to 13,260.40, 19,889.48 and 6,238.76

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Solution

The fourth proportional to 13,260.40, 19,889.48 and 6,238.76 is: 9,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.40 : 19,889.48 = 6,238.76 : x
  2. Step 2: Convert to fraction form
    13,260.40/19,889.48 = 6,238.76/x
  3. Step 3: Cross multiply
    13,260.40x = 19,889.48 × 6,238.76
  4. Step 4: Simplify right side
    13,260.40x = 124,085,692.24
  5. Step 5: Solve for x
    x = 124,085,692.24/13,260.40
  6. Step 6: Final answer
    x = 9,357.61

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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.