Home / 18,220.53-27,345.37-9,457.95

Finding the Fourth Proportional to 18,220.53, 27,345.37 and 9,457.95

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Solution

The fourth proportional to 18,220.53, 27,345.37 and 9,457.95 is: 14,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.53 : 27,345.37 = 9,457.95 : x
  2. Step 2: Convert to fraction form
    18,220.53/27,345.37 = 9,457.95/x
  3. Step 3: Cross multiply
    18,220.53x = 27,345.37 × 9,457.95
  4. Step 4: Simplify right side
    18,220.53x = 258,630,958.17
  5. Step 5: Solve for x
    x = 258,630,958.17/18,220.53
  6. Step 6: Final answer
    x = 14,194.48

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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.