Home / 43,943.31-65,914.47-10,663.74

Finding the Fourth Proportional to 43,943.31, 65,914.47 and 10,663.74

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Solution

The fourth proportional to 43,943.31, 65,914.47 and 10,663.74 is: 15,995.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,943.31 : 65,914.47 = 10,663.74 : x
  2. Step 2: Convert to fraction form
    43,943.31/65,914.47 = 10,663.74/x
  3. Step 3: Cross multiply
    43,943.31x = 65,914.47 × 10,663.74
  4. Step 4: Simplify right side
    43,943.31x = 702,894,770.32
  5. Step 5: Solve for x
    x = 702,894,770.32/43,943.31
  6. Step 6: Final answer
    x = 15,995.49

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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.