Home / 13,275.09-19,907.51-5,375.63

Finding the Fourth Proportional to 13,275.09, 19,907.51 and 5,375.63

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Solution

The fourth proportional to 13,275.09, 19,907.51 and 5,375.63 is: 8,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.09 : 19,907.51 = 5,375.63 : x
  2. Step 2: Convert to fraction form
    13,275.09/19,907.51 = 5,375.63/x
  3. Step 3: Cross multiply
    13,275.09x = 19,907.51 × 5,375.63
  4. Step 4: Simplify right side
    13,275.09x = 107,015,430.87
  5. Step 5: Solve for x
    x = 107,015,430.87/13,275.09
  6. Step 6: Final answer
    x = 8,061.37

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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.