Home / 13,664.10-18,834.30-10,674.72

Finding the Fourth Proportional to 13,664.10, 18,834.30 and 10,674.72

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Solution

The fourth proportional to 13,664.10, 18,834.30 and 10,674.72 is: 14,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.10 : 18,834.30 = 10,674.72 : x
  2. Step 2: Convert to fraction form
    13,664.10/18,834.30 = 10,674.72/x
  3. Step 3: Cross multiply
    13,664.10x = 18,834.30 × 10,674.72
  4. Step 4: Simplify right side
    13,664.10x = 201,050,878.90
  5. Step 5: Solve for x
    x = 201,050,878.90/13,664.10
  6. Step 6: Final answer
    x = 14,713.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.