Home / 14,355.88-19,817.19-13,459.12

Finding the Fourth Proportional to 14,355.88, 19,817.19 and 13,459.12

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Solution

The fourth proportional to 14,355.88, 19,817.19 and 13,459.12 is: 18,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.88 : 19,817.19 = 13,459.12 : x
  2. Step 2: Convert to fraction form
    14,355.88/19,817.19 = 13,459.12/x
  3. Step 3: Cross multiply
    14,355.88x = 19,817.19 × 13,459.12
  4. Step 4: Simplify right side
    14,355.88x = 266,721,938.27
  5. Step 5: Solve for x
    x = 266,721,938.27/14,355.88
  6. Step 6: Final answer
    x = 18,579.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.