Home / 12,345.84-18,525.96-4,953.60

Finding the Fourth Proportional to 12,345.84, 18,525.96 and 4,953.60

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Solution

The fourth proportional to 12,345.84, 18,525.96 and 4,953.60 is: 7,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345.84 : 18,525.96 = 4,953.60 : x
  2. Step 2: Convert to fraction form
    12,345.84/18,525.96 = 4,953.60/x
  3. Step 3: Cross multiply
    12,345.84x = 18,525.96 × 4,953.60
  4. Step 4: Simplify right side
    12,345.84x = 91,770,195.46
  5. Step 5: Solve for x
    x = 91,770,195.46/12,345.84
  6. Step 6: Final answer
    x = 7,433.29

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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.