Home / 13,276.98-19,898.46-6,688.44

Finding the Fourth Proportional to 13,276.98, 19,898.46 and 6,688.44

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Solution

The fourth proportional to 13,276.98, 19,898.46 and 6,688.44 is: 10,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.98 : 19,898.46 = 6,688.44 : x
  2. Step 2: Convert to fraction form
    13,276.98/19,898.46 = 6,688.44/x
  3. Step 3: Cross multiply
    13,276.98x = 19,898.46 × 6,688.44
  4. Step 4: Simplify right side
    13,276.98x = 133,089,655.80
  5. Step 5: Solve for x
    x = 133,089,655.80/13,276.98
  6. Step 6: Final answer
    x = 10,024.09

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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.