Home / 16,812.80-25,190.40-10,966.40

Finding the Fourth Proportional to 16,812.80, 25,190.40 and 10,966.40

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Solution

The fourth proportional to 16,812.80, 25,190.40 and 10,966.40 is: 16,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.80 : 25,190.40 = 10,966.40 : x
  2. Step 2: Convert to fraction form
    16,812.80/25,190.40 = 10,966.40/x
  3. Step 3: Cross multiply
    16,812.80x = 25,190.40 × 10,966.40
  4. Step 4: Simplify right side
    16,812.80x = 276,248,002.56
  5. Step 5: Solve for x
    x = 276,248,002.56/16,812.80
  6. Step 6: Final answer
    x = 16,430.81

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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.