Home / 14,277.45-21,418.01-4,918.92

Finding the Fourth Proportional to 14,277.45, 21,418.01 and 4,918.92

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Solution

The fourth proportional to 14,277.45, 21,418.01 and 4,918.92 is: 7,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.45 : 21,418.01 = 4,918.92 : x
  2. Step 2: Convert to fraction form
    14,277.45/21,418.01 = 4,918.92/x
  3. Step 3: Cross multiply
    14,277.45x = 21,418.01 × 4,918.92
  4. Step 4: Simplify right side
    14,277.45x = 105,353,477.75
  5. Step 5: Solve for x
    x = 105,353,477.75/14,277.45
  6. Step 6: Final answer
    x = 7,379.01

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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.