Home / 14,042.36-21,061.82-8,777.84

Finding the Fourth Proportional to 14,042.36, 21,061.82 and 8,777.84

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Solution

The fourth proportional to 14,042.36, 21,061.82 and 8,777.84 is: 13,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.36 : 21,061.82 = 8,777.84 : x
  2. Step 2: Convert to fraction form
    14,042.36/21,061.82 = 8,777.84/x
  3. Step 3: Cross multiply
    14,042.36x = 21,061.82 × 8,777.84
  4. Step 4: Simplify right side
    14,042.36x = 184,877,202.70
  5. Step 5: Solve for x
    x = 184,877,202.70/14,042.36
  6. Step 6: Final answer
    x = 13,165.68

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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.