Home / 11,121.65-15,347.28-6,084.89

Finding the Fourth Proportional to 11,121.65, 15,347.28 and 6,084.89

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Solution

The fourth proportional to 11,121.65, 15,347.28 and 6,084.89 is: 8,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.65 : 15,347.28 = 6,084.89 : x
  2. Step 2: Convert to fraction form
    11,121.65/15,347.28 = 6,084.89/x
  3. Step 3: Cross multiply
    11,121.65x = 15,347.28 × 6,084.89
  4. Step 4: Simplify right side
    11,121.65x = 93,386,433.86
  5. Step 5: Solve for x
    x = 93,386,433.86/11,121.65
  6. Step 6: Final answer
    x = 8,396.82

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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.