Home / 13,260.06-19,887.64-5,360.50

Finding the Fourth Proportional to 13,260.06, 19,887.64 and 5,360.50

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Solution

The fourth proportional to 13,260.06, 19,887.64 and 5,360.50 is: 8,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.06 : 19,887.64 = 5,360.50 : x
  2. Step 2: Convert to fraction form
    13,260.06/19,887.64 = 5,360.50/x
  3. Step 3: Cross multiply
    13,260.06x = 19,887.64 × 5,360.50
  4. Step 4: Simplify right side
    13,260.06x = 106,607,694.22
  5. Step 5: Solve for x
    x = 106,607,694.22/13,260.06
  6. Step 6: Final answer
    x = 8,039.76

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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.