Home / 12,486.29-18,723.25-4,588.49

Finding the Fourth Proportional to 12,486.29, 18,723.25 and 4,588.49

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Solution

The fourth proportional to 12,486.29, 18,723.25 and 4,588.49 is: 6,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486.29 : 18,723.25 = 4,588.49 : x
  2. Step 2: Convert to fraction form
    12,486.29/18,723.25 = 4,588.49/x
  3. Step 3: Cross multiply
    12,486.29x = 18,723.25 × 4,588.49
  4. Step 4: Simplify right side
    12,486.29x = 85,911,401.91
  5. Step 5: Solve for x
    x = 85,911,401.91/12,486.29
  6. Step 6: Final answer
    x = 6,880.46

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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.