Home / 14,412.60-21,575.70-13,558.20

Finding the Fourth Proportional to 14,412.60, 21,575.70 and 13,558.20

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Solution

The fourth proportional to 14,412.60, 21,575.70 and 13,558.20 is: 20,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.60 : 21,575.70 = 13,558.20 : x
  2. Step 2: Convert to fraction form
    14,412.60/21,575.70 = 13,558.20/x
  3. Step 3: Cross multiply
    14,412.60x = 21,575.70 × 13,558.20
  4. Step 4: Simplify right side
    14,412.60x = 292,527,655.74
  5. Step 5: Solve for x
    x = 292,527,655.74/14,412.60
  6. Step 6: Final answer
    x = 20,296.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.