Home / 11,316.32-16,968-10,664

Finding the Fourth Proportional to 11,316.32, 16,968 and 10,664

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Solution

The fourth proportional to 11,316.32, 16,968 and 10,664 is: 15,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.32 : 16,968 = 10,664 : x
  2. Step 2: Convert to fraction form
    11,316.32/16,968 = 10,664/x
  3. Step 3: Cross multiply
    11,316.32x = 16,968 × 10,664
  4. Step 4: Simplify right side
    11,316.32x = 180,946,752
  5. Step 5: Solve for x
    x = 180,946,752/11,316.32
  6. Step 6: Final answer
    x = 15,989.89

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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.