Home / 12,522.44-17,280.99-6,779.95

Finding the Fourth Proportional to 12,522.44, 17,280.99 and 6,779.95

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Solution

The fourth proportional to 12,522.44, 17,280.99 and 6,779.95 is: 9,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.44 : 17,280.99 = 6,779.95 : x
  2. Step 2: Convert to fraction form
    12,522.44/17,280.99 = 6,779.95/x
  3. Step 3: Cross multiply
    12,522.44x = 17,280.99 × 6,779.95
  4. Step 4: Simplify right side
    12,522.44x = 117,164,248.15
  5. Step 5: Solve for x
    x = 117,164,248.15/12,522.44
  6. Step 6: Final answer
    x = 9,356.34

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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.