Home / 12,775.07-19,165.73-4,455.16

Finding the Fourth Proportional to 12,775.07, 19,165.73 and 4,455.16

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Solution

The fourth proportional to 12,775.07, 19,165.73 and 4,455.16 is: 6,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.07 : 19,165.73 = 4,455.16 : x
  2. Step 2: Convert to fraction form
    12,775.07/19,165.73 = 4,455.16/x
  3. Step 3: Cross multiply
    12,775.07x = 19,165.73 × 4,455.16
  4. Step 4: Simplify right side
    12,775.07x = 85,386,323.48
  5. Step 5: Solve for x
    x = 85,386,323.48/12,775.07
  6. Step 6: Final answer
    x = 6,683.82

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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.