Home / 11,555.28-17,316.28-8,946

Finding the Fourth Proportional to 11,555.28, 17,316.28 and 8,946

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Solution

The fourth proportional to 11,555.28, 17,316.28 and 8,946 is: 13,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.28 : 17,316.28 = 8,946 : x
  2. Step 2: Convert to fraction form
    11,555.28/17,316.28 = 8,946/x
  3. Step 3: Cross multiply
    11,555.28x = 17,316.28 × 8,946
  4. Step 4: Simplify right side
    11,555.28x = 154,911,440.88
  5. Step 5: Solve for x
    x = 154,911,440.88/11,555.28
  6. Step 6: Final answer
    x = 13,406.12

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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.