Home / 11,211.56-15,470.75-6,176.00

Finding the Fourth Proportional to 11,211.56, 15,470.75 and 6,176.00

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Solution

The fourth proportional to 11,211.56, 15,470.75 and 6,176.00 is: 8,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.56 : 15,470.75 = 6,176.00 : x
  2. Step 2: Convert to fraction form
    11,211.56/15,470.75 = 6,176.00/x
  3. Step 3: Cross multiply
    11,211.56x = 15,470.75 × 6,176.00
  4. Step 4: Simplify right side
    11,211.56x = 95,547,284.35
  5. Step 5: Solve for x
    x = 95,547,284.35/11,211.56
  6. Step 6: Final answer
    x = 8,522.21

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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.