Home / 12,254.14-18,370.20-4,457.50

Finding the Fourth Proportional to 12,254.14, 18,370.20 and 4,457.50

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Solution

The fourth proportional to 12,254.14, 18,370.20 and 4,457.50 is: 6,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.14 : 18,370.20 = 4,457.50 : x
  2. Step 2: Convert to fraction form
    12,254.14/18,370.20 = 4,457.50/x
  3. Step 3: Cross multiply
    12,254.14x = 18,370.20 × 4,457.50
  4. Step 4: Simplify right side
    12,254.14x = 81,885,166.50
  5. Step 5: Solve for x
    x = 81,885,166.50/12,254.14
  6. Step 6: Final answer
    x = 6,682.25

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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.