Home / 14,653.08-20,221.18-8,365.46

Finding the Fourth Proportional to 14,653.08, 20,221.18 and 8,365.46

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Solution

The fourth proportional to 14,653.08, 20,221.18 and 8,365.46 is: 11,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.08 : 20,221.18 = 8,365.46 : x
  2. Step 2: Convert to fraction form
    14,653.08/20,221.18 = 8,365.46/x
  3. Step 3: Cross multiply
    14,653.08x = 20,221.18 × 8,365.46
  4. Step 4: Simplify right side
    14,653.08x = 169,159,350.42
  5. Step 5: Solve for x
    x = 169,159,350.42/14,653.08
  6. Step 6: Final answer
    x = 11,544.29

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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.