Home / 13,574.10-18,732.30-8,268.96

Finding the Fourth Proportional to 13,574.10, 18,732.30 and 8,268.96

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Solution

The fourth proportional to 13,574.10, 18,732.30 and 8,268.96 is: 11,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.10 : 18,732.30 = 8,268.96 : x
  2. Step 2: Convert to fraction form
    13,574.10/18,732.30 = 8,268.96/x
  3. Step 3: Cross multiply
    13,574.10x = 18,732.30 × 8,268.96
  4. Step 4: Simplify right side
    13,574.10x = 154,896,639.41
  5. Step 5: Solve for x
    x = 154,896,639.41/13,574.10
  6. Step 6: Final answer
    x = 11,411.19

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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.