Home / 13,303.20-19,954.08-6,356.64

Finding the Fourth Proportional to 13,303.20, 19,954.08 and 6,356.64

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Solution

The fourth proportional to 13,303.20, 19,954.08 and 6,356.64 is: 9,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.20 : 19,954.08 = 6,356.64 : x
  2. Step 2: Convert to fraction form
    13,303.20/19,954.08 = 6,356.64/x
  3. Step 3: Cross multiply
    13,303.20x = 19,954.08 × 6,356.64
  4. Step 4: Simplify right side
    13,303.20x = 126,840,903.09
  5. Step 5: Solve for x
    x = 126,840,903.09/13,303.20
  6. Step 6: Final answer
    x = 9,534.62

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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.