Home / 10,103.20-13,954.06-6,740.16

Finding the Fourth Proportional to 10,103.20, 13,954.06 and 6,740.16

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Solution

The fourth proportional to 10,103.20, 13,954.06 and 6,740.16 is: 9,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.20 : 13,954.06 = 6,740.16 : x
  2. Step 2: Convert to fraction form
    10,103.20/13,954.06 = 6,740.16/x
  3. Step 3: Cross multiply
    10,103.20x = 13,954.06 × 6,740.16
  4. Step 4: Simplify right side
    10,103.20x = 94,052,597.05
  5. Step 5: Solve for x
    x = 94,052,597.05/10,103.20
  6. Step 6: Final answer
    x = 9,309.19

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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.