Home / 13,184.28-18,193.55-7,216.07

Finding the Fourth Proportional to 13,184.28, 18,193.55 and 7,216.07

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Solution

The fourth proportional to 13,184.28, 18,193.55 and 7,216.07 is: 9,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.28 : 18,193.55 = 7,216.07 : x
  2. Step 2: Convert to fraction form
    13,184.28/18,193.55 = 7,216.07/x
  3. Step 3: Cross multiply
    13,184.28x = 18,193.55 × 7,216.07
  4. Step 4: Simplify right side
    13,184.28x = 131,285,803.30
  5. Step 5: Solve for x
    x = 131,285,803.30/13,184.28
  6. Step 6: Final answer
    x = 9,957.75

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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.