Home / 13,741.74-18,968.16-9,774.36

Finding the Fourth Proportional to 13,741.74, 18,968.16 and 9,774.36

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Solution

The fourth proportional to 13,741.74, 18,968.16 and 9,774.36 is: 13,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.74 : 18,968.16 = 9,774.36 : x
  2. Step 2: Convert to fraction form
    13,741.74/18,968.16 = 9,774.36/x
  3. Step 3: Cross multiply
    13,741.74x = 18,968.16 × 9,774.36
  4. Step 4: Simplify right side
    13,741.74x = 185,401,624.38
  5. Step 5: Solve for x
    x = 185,401,624.38/13,741.74
  6. Step 6: Final answer
    x = 13,491.86

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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.