Home / 13,038.12-19,558.08-5,247

Finding the Fourth Proportional to 13,038.12, 19,558.08 and 5,247

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Solution

The fourth proportional to 13,038.12, 19,558.08 and 5,247 is: 7,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.12 : 19,558.08 = 5,247 : x
  2. Step 2: Convert to fraction form
    13,038.12/19,558.08 = 5,247/x
  3. Step 3: Cross multiply
    13,038.12x = 19,558.08 × 5,247
  4. Step 4: Simplify right side
    13,038.12x = 102,621,245.76
  5. Step 5: Solve for x
    x = 102,621,245.76/13,038.12
  6. Step 6: Final answer
    x = 7,870.86

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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.