Home / 12,304.85-18,429.53-5,717.17

Finding the Fourth Proportional to 12,304.85, 18,429.53 and 5,717.17

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Solution

The fourth proportional to 12,304.85, 18,429.53 and 5,717.17 is: 8,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.85 : 18,429.53 = 5,717.17 : x
  2. Step 2: Convert to fraction form
    12,304.85/18,429.53 = 5,717.17/x
  3. Step 3: Cross multiply
    12,304.85x = 18,429.53 × 5,717.17
  4. Step 4: Simplify right side
    12,304.85x = 105,364,756.03
  5. Step 5: Solve for x
    x = 105,364,756.03/12,304.85
  6. Step 6: Final answer
    x = 8,562.86

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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.