Home / 10,130.71-13,986.80-6,949.34

Finding the Fourth Proportional to 10,130.71, 13,986.80 and 6,949.34

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Solution

The fourth proportional to 10,130.71, 13,986.80 and 6,949.34 is: 9,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.71 : 13,986.80 = 6,949.34 : x
  2. Step 2: Convert to fraction form
    10,130.71/13,986.80 = 6,949.34/x
  3. Step 3: Cross multiply
    10,130.71x = 13,986.80 × 6,949.34
  4. Step 4: Simplify right side
    10,130.71x = 97,198,958.78
  5. Step 5: Solve for x
    x = 97,198,958.78/10,130.71
  6. Step 6: Final answer
    x = 9,594.49

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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.