Home / 19,795.07-27,315.80-11,295.20

Finding the Fourth Proportional to 19,795.07, 27,315.80 and 11,295.20

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Solution

The fourth proportional to 19,795.07, 27,315.80 and 11,295.20 is: 15,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.07 : 27,315.80 = 11,295.20 : x
  2. Step 2: Convert to fraction form
    19,795.07/27,315.80 = 11,295.20/x
  3. Step 3: Cross multiply
    19,795.07x = 27,315.80 × 11,295.20
  4. Step 4: Simplify right side
    19,795.07x = 308,537,478.33
  5. Step 5: Solve for x
    x = 308,537,478.33/19,795.07
  6. Step 6: Final answer
    x = 15,586.58

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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.