Home / 14,317.52-19,756.86-8,028.68

Finding the Fourth Proportional to 14,317.52, 19,756.86 and 8,028.68

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Solution

The fourth proportional to 14,317.52, 19,756.86 and 8,028.68 is: 11,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.52 : 19,756.86 = 8,028.68 : x
  2. Step 2: Convert to fraction form
    14,317.52/19,756.86 = 8,028.68/x
  3. Step 3: Cross multiply
    14,317.52x = 19,756.86 × 8,028.68
  4. Step 4: Simplify right side
    14,317.52x = 158,621,506.74
  5. Step 5: Solve for x
    x = 158,621,506.74/14,317.52
  6. Step 6: Final answer
    x = 11,078.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.