Home / 14,461.76-21,679.84-6,249.28

Finding the Fourth Proportional to 14,461.76, 21,679.84 and 6,249.28

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Solution

The fourth proportional to 14,461.76, 21,679.84 and 6,249.28 is: 9,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461.76 : 21,679.84 = 6,249.28 : x
  2. Step 2: Convert to fraction form
    14,461.76/21,679.84 = 6,249.28/x
  3. Step 3: Cross multiply
    14,461.76x = 21,679.84 × 6,249.28
  4. Step 4: Simplify right side
    14,461.76x = 135,483,390.52
  5. Step 5: Solve for x
    x = 135,483,390.52/14,461.76
  6. Step 6: Final answer
    x = 9,368.39

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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.