Home / 13,785.96-20,670.72-9,349.08

Finding the Fourth Proportional to 13,785.96, 20,670.72 and 9,349.08

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Solution

The fourth proportional to 13,785.96, 20,670.72 and 9,349.08 is: 14,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.96 : 20,670.72 = 9,349.08 : x
  2. Step 2: Convert to fraction form
    13,785.96/20,670.72 = 9,349.08/x
  3. Step 3: Cross multiply
    13,785.96x = 20,670.72 × 9,349.08
  4. Step 4: Simplify right side
    13,785.96x = 193,252,214.94
  5. Step 5: Solve for x
    x = 193,252,214.94/13,785.96
  6. Step 6: Final answer
    x = 14,018.05

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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.