Home / 10,127.14-15,173.70-7,190.89

Finding the Fourth Proportional to 10,127.14, 15,173.70 and 7,190.89

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Solution

The fourth proportional to 10,127.14, 15,173.70 and 7,190.89 is: 10,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.14 : 15,173.70 = 7,190.89 : x
  2. Step 2: Convert to fraction form
    10,127.14/15,173.70 = 7,190.89/x
  3. Step 3: Cross multiply
    10,127.14x = 15,173.70 × 7,190.89
  4. Step 4: Simplify right side
    10,127.14x = 109,112,407.59
  5. Step 5: Solve for x
    x = 109,112,407.59/10,127.14
  6. Step 6: Final answer
    x = 10,774.26

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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.