Home / 18,825.84-28,242.54-6,345.36

Finding the Fourth Proportional to 18,825.84, 28,242.54 and 6,345.36

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Solution

The fourth proportional to 18,825.84, 28,242.54 and 6,345.36 is: 9,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.84 : 28,242.54 = 6,345.36 : x
  2. Step 2: Convert to fraction form
    18,825.84/28,242.54 = 6,345.36/x
  3. Step 3: Cross multiply
    18,825.84x = 28,242.54 × 6,345.36
  4. Step 4: Simplify right side
    18,825.84x = 179,209,083.61
  5. Step 5: Solve for x
    x = 179,209,083.61/18,825.84
  6. Step 6: Final answer
    x = 9,519.31

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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.