Home / 13,238.70-18,269.46-7,573.51

Finding the Fourth Proportional to 13,238.70, 18,269.46 and 7,573.51

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Solution

The fourth proportional to 13,238.70, 18,269.46 and 7,573.51 is: 10,451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.70 : 18,269.46 = 7,573.51 : x
  2. Step 2: Convert to fraction form
    13,238.70/18,269.46 = 7,573.51/x
  3. Step 3: Cross multiply
    13,238.70x = 18,269.46 × 7,573.51
  4. Step 4: Simplify right side
    13,238.70x = 138,363,960.84
  5. Step 5: Solve for x
    x = 138,363,960.84/13,238.70
  6. Step 6: Final answer
    x = 10,451.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.