Home / 12,423.36-18,614.16-11,964

Finding the Fourth Proportional to 12,423.36, 18,614.16 and 11,964

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Solution

The fourth proportional to 12,423.36, 18,614.16 and 11,964 is: 17,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.36 : 18,614.16 = 11,964 : x
  2. Step 2: Convert to fraction form
    12,423.36/18,614.16 = 11,964/x
  3. Step 3: Cross multiply
    12,423.36x = 18,614.16 × 11,964
  4. Step 4: Simplify right side
    12,423.36x = 222,699,810.24
  5. Step 5: Solve for x
    x = 222,699,810.24/12,423.36
  6. Step 6: Final answer
    x = 17,925.89

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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.