Home / 13,298.87-18,352.56-7,330.75

Finding the Fourth Proportional to 13,298.87, 18,352.56 and 7,330.75

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Solution

The fourth proportional to 13,298.87, 18,352.56 and 7,330.75 is: 10,116.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.87 : 18,352.56 = 7,330.75 : x
  2. Step 2: Convert to fraction form
    13,298.87/18,352.56 = 7,330.75/x
  3. Step 3: Cross multiply
    13,298.87x = 18,352.56 × 7,330.75
  4. Step 4: Simplify right side
    13,298.87x = 134,538,034.09
  5. Step 5: Solve for x
    x = 134,538,034.09/13,298.87
  6. Step 6: Final answer
    x = 10,116.50

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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.