Home / 13,288.65-19,921.66-5,889.07

Finding the Fourth Proportional to 13,288.65, 19,921.66 and 5,889.07

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Solution

The fourth proportional to 13,288.65, 19,921.66 and 5,889.07 is: 8,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.65 : 19,921.66 = 5,889.07 : x
  2. Step 2: Convert to fraction form
    13,288.65/19,921.66 = 5,889.07/x
  3. Step 3: Cross multiply
    13,288.65x = 19,921.66 × 5,889.07
  4. Step 4: Simplify right side
    13,288.65x = 117,320,060.44
  5. Step 5: Solve for x
    x = 117,320,060.44/13,288.65
  6. Step 6: Final answer
    x = 8,828.59

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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.