Home / 14,637.12-20,199.36-8,892.90

Finding the Fourth Proportional to 14,637.12, 20,199.36 and 8,892.90

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Solution

The fourth proportional to 14,637.12, 20,199.36 and 8,892.90 is: 12,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.12 : 20,199.36 = 8,892.90 : x
  2. Step 2: Convert to fraction form
    14,637.12/20,199.36 = 8,892.90/x
  3. Step 3: Cross multiply
    14,637.12x = 20,199.36 × 8,892.90
  4. Step 4: Simplify right side
    14,637.12x = 179,630,888.54
  5. Step 5: Solve for x
    x = 179,630,888.54/14,637.12
  6. Step 6: Final answer
    x = 12,272.28

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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.