Home / 13,298.91-18,352.61-7,330.79

Finding the Fourth Proportional to 13,298.91, 18,352.61 and 7,330.79

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Solution

The fourth proportional to 13,298.91, 18,352.61 and 7,330.79 is: 10,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.91 : 18,352.61 = 7,330.79 : x
  2. Step 2: Convert to fraction form
    13,298.91/18,352.61 = 7,330.79/x
  3. Step 3: Cross multiply
    13,298.91x = 18,352.61 × 7,330.79
  4. Step 4: Simplify right side
    13,298.91x = 134,539,138.99
  5. Step 5: Solve for x
    x = 134,539,138.99/13,298.91
  6. Step 6: Final answer
    x = 10,116.56

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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.