Home / 12,353.32-18,529.89-10,500.04

Finding the Fourth Proportional to 12,353.32, 18,529.89 and 10,500.04

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Solution

The fourth proportional to 12,353.32, 18,529.89 and 10,500.04 is: 15,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.32 : 18,529.89 = 10,500.04 : x
  2. Step 2: Convert to fraction form
    12,353.32/18,529.89 = 10,500.04/x
  3. Step 3: Cross multiply
    12,353.32x = 18,529.89 × 10,500.04
  4. Step 4: Simplify right side
    12,353.32x = 194,564,586.20
  5. Step 5: Solve for x
    x = 194,564,586.20/12,353.32
  6. Step 6: Final answer
    x = 15,749.98

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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.