Home / 13,072.44-18,039.93-7,104.15

Finding the Fourth Proportional to 13,072.44, 18,039.93 and 7,104.15

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Solution

The fourth proportional to 13,072.44, 18,039.93 and 7,104.15 is: 9,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.44 : 18,039.93 = 7,104.15 : x
  2. Step 2: Convert to fraction form
    13,072.44/18,039.93 = 7,104.15/x
  3. Step 3: Cross multiply
    13,072.44x = 18,039.93 × 7,104.15
  4. Step 4: Simplify right side
    13,072.44x = 128,158,368.71
  5. Step 5: Solve for x
    x = 128,158,368.71/13,072.44
  6. Step 6: Final answer
    x = 9,803.71

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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.