Home / 19,895.16-27,464.80-12,630.96

Finding the Fourth Proportional to 19,895.16, 27,464.80 and 12,630.96

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Solution

The fourth proportional to 19,895.16, 27,464.80 and 12,630.96 is: 17,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.16 : 27,464.80 = 12,630.96 : x
  2. Step 2: Convert to fraction form
    19,895.16/27,464.80 = 12,630.96/x
  3. Step 3: Cross multiply
    19,895.16x = 27,464.80 × 12,630.96
  4. Step 4: Simplify right side
    19,895.16x = 346,906,790.21
  5. Step 5: Solve for x
    x = 346,906,790.21/19,895.16
  6. Step 6: Final answer
    x = 17,436.74

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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.