Home / 12,972.14-19,457.93-8,801.72

Finding the Fourth Proportional to 12,972.14, 19,457.93 and 8,801.72

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Solution

The fourth proportional to 12,972.14, 19,457.93 and 8,801.72 is: 13,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,972.14 : 19,457.93 = 8,801.72 : x
  2. Step 2: Convert to fraction form
    12,972.14/19,457.93 = 8,801.72/x
  3. Step 3: Cross multiply
    12,972.14x = 19,457.93 × 8,801.72
  4. Step 4: Simplify right side
    12,972.14x = 171,263,176.35
  5. Step 5: Solve for x
    x = 171,263,176.35/12,972.14
  6. Step 6: Final answer
    x = 13,202.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.