Home / 9,212.91-12,713.81-5,021.16

Finding the Fourth Proportional to 9,212.91, 12,713.81 and 5,021.16

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Solution

The fourth proportional to 9,212.91, 12,713.81 and 5,021.16 is: 6,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.91 : 12,713.81 = 5,021.16 : x
  2. Step 2: Convert to fraction form
    9,212.91/12,713.81 = 5,021.16/x
  3. Step 3: Cross multiply
    9,212.91x = 12,713.81 × 5,021.16
  4. Step 4: Simplify right side
    9,212.91x = 63,838,029.68
  5. Step 5: Solve for x
    x = 63,838,029.68/9,212.91
  6. Step 6: Final answer
    x = 6,929.20

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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.