Home / 13,337.39-18,397.68-8,624.45

Finding the Fourth Proportional to 13,337.39, 18,397.68 and 8,624.45

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Solution

The fourth proportional to 13,337.39, 18,397.68 and 8,624.45 is: 11,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.39 : 18,397.68 = 8,624.45 : x
  2. Step 2: Convert to fraction form
    13,337.39/18,397.68 = 8,624.45/x
  3. Step 3: Cross multiply
    13,337.39x = 18,397.68 × 8,624.45
  4. Step 4: Simplify right side
    13,337.39x = 158,669,871.28
  5. Step 5: Solve for x
    x = 158,669,871.28/13,337.39
  6. Step 6: Final answer
    x = 11,896.62

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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.