Home / 43,246.91-64,864.80-13,667.74

Finding the Fourth Proportional to 43,246.91, 64,864.80 and 13,667.74

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Solution

The fourth proportional to 43,246.91, 64,864.80 and 13,667.74 is: 20,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,246.91 : 64,864.80 = 13,667.74 : x
  2. Step 2: Convert to fraction form
    43,246.91/64,864.80 = 13,667.74/x
  3. Step 3: Cross multiply
    43,246.91x = 64,864.80 × 13,667.74
  4. Step 4: Simplify right side
    43,246.91x = 886,555,059.39
  5. Step 5: Solve for x
    x = 886,555,059.39/43,246.91
  6. Step 6: Final answer
    x = 20,499.85

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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.