Home / 13,598.28-18,765.64-7,629.96

Finding the Fourth Proportional to 13,598.28, 18,765.64 and 7,629.96

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Solution

The fourth proportional to 13,598.28, 18,765.64 and 7,629.96 is: 10,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.28 : 18,765.64 = 7,629.96 : x
  2. Step 2: Convert to fraction form
    13,598.28/18,765.64 = 7,629.96/x
  3. Step 3: Cross multiply
    13,598.28x = 18,765.64 × 7,629.96
  4. Step 4: Simplify right side
    13,598.28x = 143,181,082.57
  5. Step 5: Solve for x
    x = 143,181,082.57/13,598.28
  6. Step 6: Final answer
    x = 10,529.35

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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.