Home / 14,297.80-19,725.06-8,708.20

Finding the Fourth Proportional to 14,297.80, 19,725.06 and 8,708.20

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Solution

The fourth proportional to 14,297.80, 19,725.06 and 8,708.20 is: 12,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.80 : 19,725.06 = 8,708.20 : x
  2. Step 2: Convert to fraction form
    14,297.80/19,725.06 = 8,708.20/x
  3. Step 3: Cross multiply
    14,297.80x = 19,725.06 × 8,708.20
  4. Step 4: Simplify right side
    14,297.80x = 171,769,767.49
  5. Step 5: Solve for x
    x = 171,769,767.49/14,297.80
  6. Step 6: Final answer
    x = 12,013.72

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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.