Home / 12,860.65-19,277.73-5,845.54

Finding the Fourth Proportional to 12,860.65, 19,277.73 and 5,845.54

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Solution

The fourth proportional to 12,860.65, 19,277.73 and 5,845.54 is: 8,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.65 : 19,277.73 = 5,845.54 : x
  2. Step 2: Convert to fraction form
    12,860.65/19,277.73 = 5,845.54/x
  3. Step 3: Cross multiply
    12,860.65x = 19,277.73 × 5,845.54
  4. Step 4: Simplify right side
    12,860.65x = 112,688,741.82
  5. Step 5: Solve for x
    x = 112,688,741.82/12,860.65
  6. Step 6: Final answer
    x = 8,762.29

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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.