Home / 13,955.22-20,932.83-4,720.50

Finding the Fourth Proportional to 13,955.22, 20,932.83 and 4,720.50

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Solution

The fourth proportional to 13,955.22, 20,932.83 and 4,720.50 is: 7,080.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.22 : 20,932.83 = 4,720.50 : x
  2. Step 2: Convert to fraction form
    13,955.22/20,932.83 = 4,720.50/x
  3. Step 3: Cross multiply
    13,955.22x = 20,932.83 × 4,720.50
  4. Step 4: Simplify right side
    13,955.22x = 98,813,424.02
  5. Step 5: Solve for x
    x = 98,813,424.02/13,955.22
  6. Step 6: Final answer
    x = 7,080.75

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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.