Home / 13,606.30-18,777.17-7,944.67

Finding the Fourth Proportional to 13,606.30, 18,777.17 and 7,944.67

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Solution

The fourth proportional to 13,606.30, 18,777.17 and 7,944.67 is: 10,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.30 : 18,777.17 = 7,944.67 : x
  2. Step 2: Convert to fraction form
    13,606.30/18,777.17 = 7,944.67/x
  3. Step 3: Cross multiply
    13,606.30x = 18,777.17 × 7,944.67
  4. Step 4: Simplify right side
    13,606.30x = 149,178,392.10
  5. Step 5: Solve for x
    x = 149,178,392.10/13,606.30
  6. Step 6: Final answer
    x = 10,963.92

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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.