Home / 12,345.84-18,526.96-5,772.54

Finding the Fourth Proportional to 12,345.84, 18,526.96 and 5,772.54

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Solution

The fourth proportional to 12,345.84, 18,526.96 and 5,772.54 is: 8,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345.84 : 18,526.96 = 5,772.54 : x
  2. Step 2: Convert to fraction form
    12,345.84/18,526.96 = 5,772.54/x
  3. Step 3: Cross multiply
    12,345.84x = 18,526.96 × 5,772.54
  4. Step 4: Simplify right side
    12,345.84x = 106,947,617.68
  5. Step 5: Solve for x
    x = 106,947,617.68/12,345.84
  6. Step 6: Final answer
    x = 8,662.64

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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.