Home / 9,642.45-14,458.53-4,571.31

Finding the Fourth Proportional to 9,642.45, 14,458.53 and 4,571.31

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Solution

The fourth proportional to 9,642.45, 14,458.53 and 4,571.31 is: 6,854.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642.45 : 14,458.53 = 4,571.31 : x
  2. Step 2: Convert to fraction form
    9,642.45/14,458.53 = 4,571.31/x
  3. Step 3: Cross multiply
    9,642.45x = 14,458.53 × 4,571.31
  4. Step 4: Simplify right side
    9,642.45x = 66,094,422.77
  5. Step 5: Solve for x
    x = 66,094,422.77/9,642.45
  6. Step 6: Final answer
    x = 6,854.53

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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.