Home / 14,551.32-20,078.46-8,177.16

Finding the Fourth Proportional to 14,551.32, 20,078.46 and 8,177.16

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Solution

The fourth proportional to 14,551.32, 20,078.46 and 8,177.16 is: 11,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.32 : 20,078.46 = 8,177.16 : x
  2. Step 2: Convert to fraction form
    14,551.32/20,078.46 = 8,177.16/x
  3. Step 3: Cross multiply
    14,551.32x = 20,078.46 × 8,177.16
  4. Step 4: Simplify right side
    14,551.32x = 164,184,779.97
  5. Step 5: Solve for x
    x = 164,184,779.97/14,551.32
  6. Step 6: Final answer
    x = 11,283.15

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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.