Home / 12,461.49-18,686.77-4,664.84

Finding the Fourth Proportional to 12,461.49, 18,686.77 and 4,664.84

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Solution

The fourth proportional to 12,461.49, 18,686.77 and 4,664.84 is: 6,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.49 : 18,686.77 = 4,664.84 : x
  2. Step 2: Convert to fraction form
    12,461.49/18,686.77 = 4,664.84/x
  3. Step 3: Cross multiply
    12,461.49x = 18,686.77 × 4,664.84
  4. Step 4: Simplify right side
    12,461.49x = 87,170,733.79
  5. Step 5: Solve for x
    x = 87,170,733.79/12,461.49
  6. Step 6: Final answer
    x = 6,995.21

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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.