Home / 18,756.20-25,892.06-12,713.94

Finding the Fourth Proportional to 18,756.20, 25,892.06 and 12,713.94

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Solution

The fourth proportional to 18,756.20, 25,892.06 and 12,713.94 is: 17,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.20 : 25,892.06 = 12,713.94 : x
  2. Step 2: Convert to fraction form
    18,756.20/25,892.06 = 12,713.94/x
  3. Step 3: Cross multiply
    18,756.20x = 25,892.06 × 12,713.94
  4. Step 4: Simplify right side
    18,756.20x = 329,190,097.32
  5. Step 5: Solve for x
    x = 329,190,097.32/18,756.20
  6. Step 6: Final answer
    x = 17,551.00

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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.