Home / 14,477.94-21,720.56-4,089.69

Finding the Fourth Proportional to 14,477.94, 21,720.56 and 4,089.69

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Solution

The fourth proportional to 14,477.94, 21,720.56 and 4,089.69 is: 6,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.94 : 21,720.56 = 4,089.69 : x
  2. Step 2: Convert to fraction form
    14,477.94/21,720.56 = 4,089.69/x
  3. Step 3: Cross multiply
    14,477.94x = 21,720.56 × 4,089.69
  4. Step 4: Simplify right side
    14,477.94x = 88,830,357.03
  5. Step 5: Solve for x
    x = 88,830,357.03/14,477.94
  6. Step 6: Final answer
    x = 6,135.57

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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.