Home / 14,290.80-19,853.52-14,162.64

Finding the Fourth Proportional to 14,290.80, 19,853.52 and 14,162.64

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Solution

The fourth proportional to 14,290.80, 19,853.52 and 14,162.64 is: 19,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.80 : 19,853.52 = 14,162.64 : x
  2. Step 2: Convert to fraction form
    14,290.80/19,853.52 = 14,162.64/x
  3. Step 3: Cross multiply
    14,290.80x = 19,853.52 × 14,162.64
  4. Step 4: Simplify right side
    14,290.80x = 281,178,256.49
  5. Step 5: Solve for x
    x = 281,178,256.49/14,290.80
  6. Step 6: Final answer
    x = 19,675.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.