Home / 14,374.88-21,558.48-3,985.76

Finding the Fourth Proportional to 14,374.88, 21,558.48 and 3,985.76

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Solution

The fourth proportional to 14,374.88, 21,558.48 and 3,985.76 is: 5,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374.88 : 21,558.48 = 3,985.76 : x
  2. Step 2: Convert to fraction form
    14,374.88/21,558.48 = 3,985.76/x
  3. Step 3: Cross multiply
    14,374.88x = 21,558.48 × 3,985.76
  4. Step 4: Simplify right side
    14,374.88x = 85,926,927.24
  5. Step 5: Solve for x
    x = 85,926,927.24/14,374.88
  6. Step 6: Final answer
    x = 5,977.58

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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.