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Finding the Fourth Proportional to 14,937, 20,613.06 and 8,973.78

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Solution

The fourth proportional to 14,937, 20,613.06 and 8,973.78 is: 12,383.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937 : 20,613.06 = 8,973.78 : x
  2. Step 2: Convert to fraction form
    14,937/20,613.06 = 8,973.78/x
  3. Step 3: Cross multiply
    14,937x = 20,613.06 × 8,973.78
  4. Step 4: Simplify right side
    14,937x = 184,977,065.57
  5. Step 5: Solve for x
    x = 184,977,065.57/14,937
  6. Step 6: Final answer
    x = 12,383.82

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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.