Home / 13,094.56-18,072.34-7,430.70

Finding the Fourth Proportional to 13,094.56, 18,072.34 and 7,430.70

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Solution

The fourth proportional to 13,094.56, 18,072.34 and 7,430.70 is: 10,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.56 : 18,072.34 = 7,430.70 : x
  2. Step 2: Convert to fraction form
    13,094.56/18,072.34 = 7,430.70/x
  3. Step 3: Cross multiply
    13,094.56x = 18,072.34 × 7,430.70
  4. Step 4: Simplify right side
    13,094.56x = 134,290,136.84
  5. Step 5: Solve for x
    x = 134,290,136.84/13,094.56
  6. Step 6: Final answer
    x = 10,255.41

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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.