Home / 12,300.40-18,457.62-6,682.24

Finding the Fourth Proportional to 12,300.40, 18,457.62 and 6,682.24

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Solution

The fourth proportional to 12,300.40, 18,457.62 and 6,682.24 is: 10,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.40 : 18,457.62 = 6,682.24 : x
  2. Step 2: Convert to fraction form
    12,300.40/18,457.62 = 6,682.24/x
  3. Step 3: Cross multiply
    12,300.40x = 18,457.62 × 6,682.24
  4. Step 4: Simplify right side
    12,300.40x = 123,338,246.67
  5. Step 5: Solve for x
    x = 123,338,246.67/12,300.40
  6. Step 6: Final answer
    x = 10,027.17

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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.