Home / 13,362.35-18,439.11-7,695.77

Finding the Fourth Proportional to 13,362.35, 18,439.11 and 7,695.77

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Solution

The fourth proportional to 13,362.35, 18,439.11 and 7,695.77 is: 10,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.35 : 18,439.11 = 7,695.77 : x
  2. Step 2: Convert to fraction form
    13,362.35/18,439.11 = 7,695.77/x
  3. Step 3: Cross multiply
    13,362.35x = 18,439.11 × 7,695.77
  4. Step 4: Simplify right side
    13,362.35x = 141,903,057.37
  5. Step 5: Solve for x
    x = 141,903,057.37/13,362.35
  6. Step 6: Final answer
    x = 10,619.62

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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.