Home / 12,252.95-16,909.25-9,181.36

Finding the Fourth Proportional to 12,252.95, 16,909.25 and 9,181.36

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Solution

The fourth proportional to 12,252.95, 16,909.25 and 9,181.36 is: 12,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.95 : 16,909.25 = 9,181.36 : x
  2. Step 2: Convert to fraction form
    12,252.95/16,909.25 = 9,181.36/x
  3. Step 3: Cross multiply
    12,252.95x = 16,909.25 × 9,181.36
  4. Step 4: Simplify right side
    12,252.95x = 155,249,911.58
  5. Step 5: Solve for x
    x = 155,249,911.58/12,252.95
  6. Step 6: Final answer
    x = 12,670.41

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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.