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Finding the Fourth Proportional to 14,998.60, 22,530.30 and 14,447.80

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Solution

The fourth proportional to 14,998.60, 22,530.30 and 14,447.80 is: 21,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.60 : 22,530.30 = 14,447.80 : x
  2. Step 2: Convert to fraction form
    14,998.60/22,530.30 = 14,447.80/x
  3. Step 3: Cross multiply
    14,998.60x = 22,530.30 × 14,447.80
  4. Step 4: Simplify right side
    14,998.60x = 325,513,268.34
  5. Step 5: Solve for x
    x = 325,513,268.34/14,998.60
  6. Step 6: Final answer
    x = 21,702.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.