Home / 14,631.98-20,192.10-7,917.60

Finding the Fourth Proportional to 14,631.98, 20,192.10 and 7,917.60

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Solution

The fourth proportional to 14,631.98, 20,192.10 and 7,917.60 is: 10,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.98 : 20,192.10 = 7,917.60 : x
  2. Step 2: Convert to fraction form
    14,631.98/20,192.10 = 7,917.60/x
  3. Step 3: Cross multiply
    14,631.98x = 20,192.10 × 7,917.60
  4. Step 4: Simplify right side
    14,631.98x = 159,872,999.73
  5. Step 5: Solve for x
    x = 159,872,999.73/14,631.98
  6. Step 6: Final answer
    x = 10,926.27

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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.