Home / 15,941.07-21,999.74-10,644.75

Finding the Fourth Proportional to 15,941.07, 21,999.74 and 10,644.75

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Solution

The fourth proportional to 15,941.07, 21,999.74 and 10,644.75 is: 14,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.07 : 21,999.74 = 10,644.75 : x
  2. Step 2: Convert to fraction form
    15,941.07/21,999.74 = 10,644.75/x
  3. Step 3: Cross multiply
    15,941.07x = 21,999.74 × 10,644.75
  4. Step 4: Simplify right side
    15,941.07x = 234,181,679.14
  5. Step 5: Solve for x
    x = 234,181,679.14/15,941.07
  6. Step 6: Final answer
    x = 14,690.46

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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.