Home / 19,236.47-28,868.37-7,549.70

Finding the Fourth Proportional to 19,236.47, 28,868.37 and 7,549.70

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Solution

The fourth proportional to 19,236.47, 28,868.37 and 7,549.70 is: 11,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.47 : 28,868.37 = 7,549.70 : x
  2. Step 2: Convert to fraction form
    19,236.47/28,868.37 = 7,549.70/x
  3. Step 3: Cross multiply
    19,236.47x = 28,868.37 × 7,549.70
  4. Step 4: Simplify right side
    19,236.47x = 217,947,388.65
  5. Step 5: Solve for x
    x = 217,947,388.65/19,236.47
  6. Step 6: Final answer
    x = 11,329.91

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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.