Home / 18,378.10-27,529.08-9,586.36

Finding the Fourth Proportional to 18,378.10, 27,529.08 and 9,586.36

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Solution

The fourth proportional to 18,378.10, 27,529.08 and 9,586.36 is: 14,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378.10 : 27,529.08 = 9,586.36 : x
  2. Step 2: Convert to fraction form
    18,378.10/27,529.08 = 9,586.36/x
  3. Step 3: Cross multiply
    18,378.10x = 27,529.08 × 9,586.36
  4. Step 4: Simplify right side
    18,378.10x = 263,903,671.35
  5. Step 5: Solve for x
    x = 263,903,671.35/18,378.10
  6. Step 6: Final answer
    x = 14,359.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.