Home / 12,152.26-18,255.93-10,491.49

Finding the Fourth Proportional to 12,152.26, 18,255.93 and 10,491.49

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Solution

The fourth proportional to 12,152.26, 18,255.93 and 10,491.49 is: 15,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.26 : 18,255.93 = 10,491.49 : x
  2. Step 2: Convert to fraction form
    12,152.26/18,255.93 = 10,491.49/x
  3. Step 3: Cross multiply
    12,152.26x = 18,255.93 × 10,491.49
  4. Step 4: Simplify right side
    12,152.26x = 191,531,907.04
  5. Step 5: Solve for x
    x = 191,531,907.04/12,152.26
  6. Step 6: Final answer
    x = 15,761.01

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1.5x scale

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.