Home / 14,399.28-21,604.08-4,539.12

Finding the Fourth Proportional to 14,399.28, 21,604.08 and 4,539.12

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Solution

The fourth proportional to 14,399.28, 21,604.08 and 4,539.12 is: 6,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.28 : 21,604.08 = 4,539.12 : x
  2. Step 2: Convert to fraction form
    14,399.28/21,604.08 = 4,539.12/x
  3. Step 3: Cross multiply
    14,399.28x = 21,604.08 × 4,539.12
  4. Step 4: Simplify right side
    14,399.28x = 98,063,511.61
  5. Step 5: Solve for x
    x = 98,063,511.61/14,399.28
  6. Step 6: Final answer
    x = 6,810.31

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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.