Home / 14,431.50-21,647.88-4,571.51

Finding the Fourth Proportional to 14,431.50, 21,647.88 and 4,571.51

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Solution

The fourth proportional to 14,431.50, 21,647.88 and 4,571.51 is: 6,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.50 : 21,647.88 = 4,571.51 : x
  2. Step 2: Convert to fraction form
    14,431.50/21,647.88 = 4,571.51/x
  3. Step 3: Cross multiply
    14,431.50x = 21,647.88 × 4,571.51
  4. Step 4: Simplify right side
    14,431.50x = 98,963,391.66
  5. Step 5: Solve for x
    x = 98,963,391.66/14,431.50
  6. Step 6: Final answer
    x = 6,857.46

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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.