Home / 43,670.25-65,505.38-10,838.25

Finding the Fourth Proportional to 43,670.25, 65,505.38 and 10,838.25

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Solution

The fourth proportional to 43,670.25, 65,505.38 and 10,838.25 is: 16,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,670.25 : 65,505.38 = 10,838.25 : x
  2. Step 2: Convert to fraction form
    43,670.25/65,505.38 = 10,838.25/x
  3. Step 3: Cross multiply
    43,670.25x = 65,505.38 × 10,838.25
  4. Step 4: Simplify right side
    43,670.25x = 709,963,630.59
  5. Step 5: Solve for x
    x = 709,963,630.59/43,670.25
  6. Step 6: Final answer
    x = 16,257.38

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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.