Home / 9,021.13-12,450.35-5,043.07

Finding the Fourth Proportional to 9,021.13, 12,450.35 and 5,043.07

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Solution

The fourth proportional to 9,021.13, 12,450.35 and 5,043.07 is: 6,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.13 : 12,450.35 = 5,043.07 : x
  2. Step 2: Convert to fraction form
    9,021.13/12,450.35 = 5,043.07/x
  3. Step 3: Cross multiply
    9,021.13x = 12,450.35 × 5,043.07
  4. Step 4: Simplify right side
    9,021.13x = 62,787,986.57
  5. Step 5: Solve for x
    x = 62,787,986.57/9,021.13
  6. Step 6: Final answer
    x = 6,960.10

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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.