Home / 12,488.53-18,730.25-4,588.33

Finding the Fourth Proportional to 12,488.53, 18,730.25 and 4,588.33

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Solution

The fourth proportional to 12,488.53, 18,730.25 and 4,588.33 is: 6,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.53 : 18,730.25 = 4,588.33 : x
  2. Step 2: Convert to fraction form
    12,488.53/18,730.25 = 4,588.33/x
  3. Step 3: Cross multiply
    12,488.53x = 18,730.25 × 4,588.33
  4. Step 4: Simplify right side
    12,488.53x = 85,940,579.45
  5. Step 5: Solve for x
    x = 85,940,579.45/12,488.53
  6. Step 6: Final answer
    x = 6,881.56

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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.