Home / 11,141.10-16,718.93-4,215.60

Finding the Fourth Proportional to 11,141.10, 16,718.93 and 4,215.60

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Solution

The fourth proportional to 11,141.10, 16,718.93 and 4,215.60 is: 6,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.10 : 16,718.93 = 4,215.60 : x
  2. Step 2: Convert to fraction form
    11,141.10/16,718.93 = 4,215.60/x
  3. Step 3: Cross multiply
    11,141.10x = 16,718.93 × 4,215.60
  4. Step 4: Simplify right side
    11,141.10x = 70,480,237.71
  5. Step 5: Solve for x
    x = 70,480,237.71/11,141.10
  6. Step 6: Final answer
    x = 6,326.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.