Home / 13,885.01-20,822.35-4,997.96

Finding the Fourth Proportional to 13,885.01, 20,822.35 and 4,997.96

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Solution

The fourth proportional to 13,885.01, 20,822.35 and 4,997.96 is: 7,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.01 : 20,822.35 = 4,997.96 : x
  2. Step 2: Convert to fraction form
    13,885.01/20,822.35 = 4,997.96/x
  3. Step 3: Cross multiply
    13,885.01x = 20,822.35 × 4,997.96
  4. Step 4: Simplify right side
    13,885.01x = 104,069,272.41
  5. Step 5: Solve for x
    x = 104,069,272.41/13,885.01
  6. Step 6: Final answer
    x = 7,495.08

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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.