Home / 12,457.08-18,674.10-5,527.80

Finding the Fourth Proportional to 12,457.08, 18,674.10 and 5,527.80

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Solution

The fourth proportional to 12,457.08, 18,674.10 and 5,527.80 is: 8,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.08 : 18,674.10 = 5,527.80 : x
  2. Step 2: Convert to fraction form
    12,457.08/18,674.10 = 5,527.80/x
  3. Step 3: Cross multiply
    12,457.08x = 18,674.10 × 5,527.80
  4. Step 4: Simplify right side
    12,457.08x = 103,226,689.98
  5. Step 5: Solve for x
    x = 103,226,689.98/12,457.08
  6. Step 6: Final answer
    x = 8,286.59

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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.