Home / 14,458.32-19,951.32-8,485.20

Finding the Fourth Proportional to 14,458.32, 19,951.32 and 8,485.20

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Solution

The fourth proportional to 14,458.32, 19,951.32 and 8,485.20 is: 11,708.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.32 : 19,951.32 = 8,485.20 : x
  2. Step 2: Convert to fraction form
    14,458.32/19,951.32 = 8,485.20/x
  3. Step 3: Cross multiply
    14,458.32x = 19,951.32 × 8,485.20
  4. Step 4: Simplify right side
    14,458.32x = 169,290,940.46
  5. Step 5: Solve for x
    x = 169,290,940.46/14,458.32
  6. Step 6: Final answer
    x = 11,708.89

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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.