Home / 11,321.98-16,967.15-9,647.36

Finding the Fourth Proportional to 11,321.98, 16,967.15 and 9,647.36

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Solution

The fourth proportional to 11,321.98, 16,967.15 and 9,647.36 is: 14,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.98 : 16,967.15 = 9,647.36 : x
  2. Step 2: Convert to fraction form
    11,321.98/16,967.15 = 9,647.36/x
  3. Step 3: Cross multiply
    11,321.98x = 16,967.15 × 9,647.36
  4. Step 4: Simplify right side
    11,321.98x = 163,688,204.22
  5. Step 5: Solve for x
    x = 163,688,204.22/11,321.98
  6. Step 6: Final answer
    x = 14,457.56

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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.