Home / 12,854.77-19,260.15-7,015.48

Finding the Fourth Proportional to 12,854.77, 19,260.15 and 7,015.48

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Solution

The fourth proportional to 12,854.77, 19,260.15 and 7,015.48 is: 10,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.77 : 19,260.15 = 7,015.48 : x
  2. Step 2: Convert to fraction form
    12,854.77/19,260.15 = 7,015.48/x
  3. Step 3: Cross multiply
    12,854.77x = 19,260.15 × 7,015.48
  4. Step 4: Simplify right side
    12,854.77x = 135,119,197.12
  5. Step 5: Solve for x
    x = 135,119,197.12/12,854.77
  6. Step 6: Final answer
    x = 10,511.21

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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.