Home / 14,239.39-19,647.36-8,267.98

Finding the Fourth Proportional to 14,239.39, 19,647.36 and 8,267.98

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Solution

The fourth proportional to 14,239.39, 19,647.36 and 8,267.98 is: 11,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.39 : 19,647.36 = 8,267.98 : x
  2. Step 2: Convert to fraction form
    14,239.39/19,647.36 = 8,267.98/x
  3. Step 3: Cross multiply
    14,239.39x = 19,647.36 × 8,267.98
  4. Step 4: Simplify right side
    14,239.39x = 162,443,979.53
  5. Step 5: Solve for x
    x = 162,443,979.53/14,239.39
  6. Step 6: Final answer
    x = 11,408.07

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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.