Home / 11,988.14-16,556.54-9,124.97

Finding the Fourth Proportional to 11,988.14, 16,556.54 and 9,124.97

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Solution

The fourth proportional to 11,988.14, 16,556.54 and 9,124.97 is: 12,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.14 : 16,556.54 = 9,124.97 : x
  2. Step 2: Convert to fraction form
    11,988.14/16,556.54 = 9,124.97/x
  3. Step 3: Cross multiply
    11,988.14x = 16,556.54 × 9,124.97
  4. Step 4: Simplify right side
    11,988.14x = 151,077,802.40
  5. Step 5: Solve for x
    x = 151,077,802.40/11,988.14
  6. Step 6: Final answer
    x = 12,602.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.