Home / 14,275.77-21,415.07-4,914.55

Finding the Fourth Proportional to 14,275.77, 21,415.07 and 4,914.55

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Solution

The fourth proportional to 14,275.77, 21,415.07 and 4,914.55 is: 7,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.77 : 21,415.07 = 4,914.55 : x
  2. Step 2: Convert to fraction form
    14,275.77/21,415.07 = 4,914.55/x
  3. Step 3: Cross multiply
    14,275.77x = 21,415.07 × 4,914.55
  4. Step 4: Simplify right side
    14,275.77x = 105,245,337.48
  5. Step 5: Solve for x
    x = 105,245,337.48/14,275.77
  6. Step 6: Final answer
    x = 7,372.31

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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.