Home / 14,506.58-20,017.71-8,218.95

Finding the Fourth Proportional to 14,506.58, 20,017.71 and 8,218.95

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Solution

The fourth proportional to 14,506.58, 20,017.71 and 8,218.95 is: 11,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.58 : 20,017.71 = 8,218.95 : x
  2. Step 2: Convert to fraction form
    14,506.58/20,017.71 = 8,218.95/x
  3. Step 3: Cross multiply
    14,506.58x = 20,017.71 × 8,218.95
  4. Step 4: Simplify right side
    14,506.58x = 164,524,557.60
  5. Step 5: Solve for x
    x = 164,524,557.60/14,506.58
  6. Step 6: Final answer
    x = 11,341.38

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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.