Home / 15,889.97-23,840.43-7,131.04

Finding the Fourth Proportional to 15,889.97, 23,840.43 and 7,131.04

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Solution

The fourth proportional to 15,889.97, 23,840.43 and 7,131.04 is: 10,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889.97 : 23,840.43 = 7,131.04 : x
  2. Step 2: Convert to fraction form
    15,889.97/23,840.43 = 7,131.04/x
  3. Step 3: Cross multiply
    15,889.97x = 23,840.43 × 7,131.04
  4. Step 4: Simplify right side
    15,889.97x = 170,006,973.60
  5. Step 5: Solve for x
    x = 170,006,973.60/15,889.97
  6. Step 6: Final answer
    x = 10,699.01

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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.