Home / 13,989.29-20,955.57-6,482.25

Finding the Fourth Proportional to 13,989.29, 20,955.57 and 6,482.25

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Solution

The fourth proportional to 13,989.29, 20,955.57 and 6,482.25 is: 9,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.29 : 20,955.57 = 6,482.25 : x
  2. Step 2: Convert to fraction form
    13,989.29/20,955.57 = 6,482.25/x
  3. Step 3: Cross multiply
    13,989.29x = 20,955.57 × 6,482.25
  4. Step 4: Simplify right side
    13,989.29x = 135,839,243.63
  5. Step 5: Solve for x
    x = 135,839,243.63/13,989.29
  6. Step 6: Final answer
    x = 9,710.23

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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.