Home / 10,971.41-16,418.84-8,973.95

Finding the Fourth Proportional to 10,971.41, 16,418.84 and 8,973.95

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Solution

The fourth proportional to 10,971.41, 16,418.84 and 8,973.95 is: 13,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.41 : 16,418.84 = 8,973.95 : x
  2. Step 2: Convert to fraction form
    10,971.41/16,418.84 = 8,973.95/x
  3. Step 3: Cross multiply
    10,971.41x = 16,418.84 × 8,973.95
  4. Step 4: Simplify right side
    10,971.41x = 147,341,804.35
  5. Step 5: Solve for x
    x = 147,341,804.35/10,971.41
  6. Step 6: Final answer
    x = 13,429.61

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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.