Home / 9,381.96-12,929.22-6,724.89

Finding the Fourth Proportional to 9,381.96, 12,929.22 and 6,724.89

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Solution

The fourth proportional to 9,381.96, 12,929.22 and 6,724.89 is: 9,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.96 : 12,929.22 = 6,724.89 : x
  2. Step 2: Convert to fraction form
    9,381.96/12,929.22 = 6,724.89/x
  3. Step 3: Cross multiply
    9,381.96x = 12,929.22 × 6,724.89
  4. Step 4: Simplify right side
    9,381.96x = 86,947,582.29
  5. Step 5: Solve for x
    x = 86,947,582.29/9,381.96
  6. Step 6: Final answer
    x = 9,267.53

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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.