Home / 11,121.93-15,347.61-6,085.15

Finding the Fourth Proportional to 11,121.93, 15,347.61 and 6,085.15

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Solution

The fourth proportional to 11,121.93, 15,347.61 and 6,085.15 is: 8,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.93 : 15,347.61 = 6,085.15 : x
  2. Step 2: Convert to fraction form
    11,121.93/15,347.61 = 6,085.15/x
  3. Step 3: Cross multiply
    11,121.93x = 15,347.61 × 6,085.15
  4. Step 4: Simplify right side
    11,121.93x = 93,392,513.79
  5. Step 5: Solve for x
    x = 93,392,513.79/11,121.93
  6. Step 6: Final answer
    x = 8,397.15

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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.