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Finding the Fourth Proportional to 14,559, 21,937.65 and 12,967.68

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Solution

The fourth proportional to 14,559, 21,937.65 and 12,967.68 is: 19,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559 : 21,937.65 = 12,967.68 : x
  2. Step 2: Convert to fraction form
    14,559/21,937.65 = 12,967.68/x
  3. Step 3: Cross multiply
    14,559x = 21,937.65 × 12,967.68
  4. Step 4: Simplify right side
    14,559x = 284,480,425.15
  5. Step 5: Solve for x
    x = 284,480,425.15/14,559
  6. Step 6: Final answer
    x = 19,539.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.