Home / 14,695.26-20,279.46-8,407.64

Finding the Fourth Proportional to 14,695.26, 20,279.46 and 8,407.64

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Solution

The fourth proportional to 14,695.26, 20,279.46 and 8,407.64 is: 11,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.26 : 20,279.46 = 8,407.64 : x
  2. Step 2: Convert to fraction form
    14,695.26/20,279.46 = 8,407.64/x
  3. Step 3: Cross multiply
    14,695.26x = 20,279.46 × 8,407.64
  4. Step 4: Simplify right side
    14,695.26x = 170,502,399.07
  5. Step 5: Solve for x
    x = 170,502,399.07/14,695.26
  6. Step 6: Final answer
    x = 11,602.54

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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.