Home / 12,898.16-19,353.72-9,617.84

Finding the Fourth Proportional to 12,898.16, 19,353.72 and 9,617.84

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Solution

The fourth proportional to 12,898.16, 19,353.72 and 9,617.84 is: 14,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.16 : 19,353.72 = 9,617.84 : x
  2. Step 2: Convert to fraction form
    12,898.16/19,353.72 = 9,617.84/x
  3. Step 3: Cross multiply
    12,898.16x = 19,353.72 × 9,617.84
  4. Step 4: Simplify right side
    12,898.16x = 186,140,982.36
  5. Step 5: Solve for x
    x = 186,140,982.36/12,898.16
  6. Step 6: Final answer
    x = 14,431.59

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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.