Home / 9,429.18-13,012.84-5,237.42

Finding the Fourth Proportional to 9,429.18, 13,012.84 and 5,237.42

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Solution

The fourth proportional to 9,429.18, 13,012.84 and 5,237.42 is: 7,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.18 : 13,012.84 = 5,237.42 : x
  2. Step 2: Convert to fraction form
    9,429.18/13,012.84 = 5,237.42/x
  3. Step 3: Cross multiply
    9,429.18x = 13,012.84 × 5,237.42
  4. Step 4: Simplify right side
    9,429.18x = 68,153,708.47
  5. Step 5: Solve for x
    x = 68,153,708.47/9,429.18
  6. Step 6: Final answer
    x = 7,227.96

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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.