Home / 19,197.77-28,796.65-6,718.21

Finding the Fourth Proportional to 19,197.77, 28,796.65 and 6,718.21

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Solution

The fourth proportional to 19,197.77, 28,796.65 and 6,718.21 is: 10,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.77 : 28,796.65 = 6,718.21 : x
  2. Step 2: Convert to fraction form
    19,197.77/28,796.65 = 6,718.21/x
  3. Step 3: Cross multiply
    19,197.77x = 28,796.65 × 6,718.21
  4. Step 4: Simplify right side
    19,197.77x = 193,461,853.21
  5. Step 5: Solve for x
    x = 193,461,853.21/19,197.77
  6. Step 6: Final answer
    x = 10,077.31

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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.