Home / 15,735.47-23,710.80-13,021.97

Finding the Fourth Proportional to 15,735.47, 23,710.80 and 13,021.97

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Solution

The fourth proportional to 15,735.47, 23,710.80 and 13,021.97 is: 19,621.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735.47 : 23,710.80 = 13,021.97 : x
  2. Step 2: Convert to fraction form
    15,735.47/23,710.80 = 13,021.97/x
  3. Step 3: Cross multiply
    15,735.47x = 23,710.80 × 13,021.97
  4. Step 4: Simplify right side
    15,735.47x = 308,761,207.72
  5. Step 5: Solve for x
    x = 308,761,207.72/15,735.47
  6. Step 6: Final answer
    x = 19,621.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.