Home / 14,983.21-20,670.42-9,011.35

Finding the Fourth Proportional to 14,983.21, 20,670.42 and 9,011.35

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Solution

The fourth proportional to 14,983.21, 20,670.42 and 9,011.35 is: 12,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.21 : 20,670.42 = 9,011.35 : x
  2. Step 2: Convert to fraction form
    14,983.21/20,670.42 = 9,011.35/x
  3. Step 3: Cross multiply
    14,983.21x = 20,670.42 × 9,011.35
  4. Step 4: Simplify right side
    14,983.21x = 186,268,389.27
  5. Step 5: Solve for x
    x = 186,268,389.27/14,983.21
  6. Step 6: Final answer
    x = 12,431.81

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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.