Home / 14,372.64-21,543.84-5,607.36

Finding the Fourth Proportional to 14,372.64, 21,543.84 and 5,607.36

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Solution

The fourth proportional to 14,372.64, 21,543.84 and 5,607.36 is: 8,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.64 : 21,543.84 = 5,607.36 : x
  2. Step 2: Convert to fraction form
    14,372.64/21,543.84 = 5,607.36/x
  3. Step 3: Cross multiply
    14,372.64x = 21,543.84 × 5,607.36
  4. Step 4: Simplify right side
    14,372.64x = 120,804,066.66
  5. Step 5: Solve for x
    x = 120,804,066.66/14,372.64
  6. Step 6: Final answer
    x = 8,405.14

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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.