Home / 14,886.05-20,541.25-8,917.57

Finding the Fourth Proportional to 14,886.05, 20,541.25 and 8,917.57

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Solution

The fourth proportional to 14,886.05, 20,541.25 and 8,917.57 is: 12,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,886.05 : 20,541.25 = 8,917.57 : x
  2. Step 2: Convert to fraction form
    14,886.05/20,541.25 = 8,917.57/x
  3. Step 3: Cross multiply
    14,886.05x = 20,541.25 × 8,917.57
  4. Step 4: Simplify right side
    14,886.05x = 183,177,963.65
  5. Step 5: Solve for x
    x = 183,177,963.65/14,886.05
  6. Step 6: Final answer
    x = 12,305.34

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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.