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Finding the Fourth Proportional to 14,458.50, 19,951.92 and 10,484.64

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Solution

The fourth proportional to 14,458.50, 19,951.92 and 10,484.64 is: 14,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.50 : 19,951.92 = 10,484.64 : x
  2. Step 2: Convert to fraction form
    14,458.50/19,951.92 = 10,484.64/x
  3. Step 3: Cross multiply
    14,458.50x = 19,951.92 × 10,484.64
  4. Step 4: Simplify right side
    14,458.50x = 209,188,698.51
  5. Step 5: Solve for x
    x = 209,188,698.51/14,458.50
  6. Step 6: Final answer
    x = 14,468.22

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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.