Home / 14,052.88-21,097.85-12,892.40

Finding the Fourth Proportional to 14,052.88, 21,097.85 and 12,892.40

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Solution

The fourth proportional to 14,052.88, 21,097.85 and 12,892.40 is: 19,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.88 : 21,097.85 = 12,892.40 : x
  2. Step 2: Convert to fraction form
    14,052.88/21,097.85 = 12,892.40/x
  3. Step 3: Cross multiply
    14,052.88x = 21,097.85 × 12,892.40
  4. Step 4: Simplify right side
    14,052.88x = 272,001,921.34
  5. Step 5: Solve for x
    x = 272,001,921.34/14,052.88
  6. Step 6: Final answer
    x = 19,355.60

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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.