Home / 17,986.12-24,816.72-10,812.76

Finding the Fourth Proportional to 17,986.12, 24,816.72 and 10,812.76

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Solution

The fourth proportional to 17,986.12, 24,816.72 and 10,812.76 is: 14,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.12 : 24,816.72 = 10,812.76 : x
  2. Step 2: Convert to fraction form
    17,986.12/24,816.72 = 10,812.76/x
  3. Step 3: Cross multiply
    17,986.12x = 24,816.72 × 10,812.76
  4. Step 4: Simplify right side
    17,986.12x = 268,337,237.35
  5. Step 5: Solve for x
    x = 268,337,237.35/17,986.12
  6. Step 6: Final answer
    x = 14,919.13

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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.