Home / 13,601.30-18,769.68-7,632.95

Finding the Fourth Proportional to 13,601.30, 18,769.68 and 7,632.95

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Solution

The fourth proportional to 13,601.30, 18,769.68 and 7,632.95 is: 10,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.30 : 18,769.68 = 7,632.95 : x
  2. Step 2: Convert to fraction form
    13,601.30/18,769.68 = 7,632.95/x
  3. Step 3: Cross multiply
    13,601.30x = 18,769.68 × 7,632.95
  4. Step 4: Simplify right side
    13,601.30x = 143,267,935.11
  5. Step 5: Solve for x
    x = 143,267,935.11/13,601.30
  6. Step 6: Final answer
    x = 10,533.40

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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.