Home / 14,538.42-20,062.77-8,165.07

Finding the Fourth Proportional to 14,538.42, 20,062.77 and 8,165.07

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Solution

The fourth proportional to 14,538.42, 20,062.77 and 8,165.07 is: 11,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.42 : 20,062.77 = 8,165.07 : x
  2. Step 2: Convert to fraction form
    14,538.42/20,062.77 = 8,165.07/x
  3. Step 3: Cross multiply
    14,538.42x = 20,062.77 × 8,165.07
  4. Step 4: Simplify right side
    14,538.42x = 163,813,921.44
  5. Step 5: Solve for x
    x = 163,813,921.44/14,538.42
  6. Step 6: Final answer
    x = 11,267.66

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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.