Home / 10,119.50-13,973.72-6,349.14

Finding the Fourth Proportional to 10,119.50, 13,973.72 and 6,349.14

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Solution

The fourth proportional to 10,119.50, 13,973.72 and 6,349.14 is: 8,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.50 : 13,973.72 = 6,349.14 : x
  2. Step 2: Convert to fraction form
    10,119.50/13,973.72 = 6,349.14/x
  3. Step 3: Cross multiply
    10,119.50x = 13,973.72 × 6,349.14
  4. Step 4: Simplify right side
    10,119.50x = 88,721,072.86
  5. Step 5: Solve for x
    x = 88,721,072.86/10,119.50
  6. Step 6: Final answer
    x = 8,767.34

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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.