Home / 56,009.25-84,011.72-13,889.43

Finding the Fourth Proportional to 56,009.25, 84,011.72 and 13,889.43

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Solution

The fourth proportional to 56,009.25, 84,011.72 and 13,889.43 is: 20,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,009.25 : 84,011.72 = 13,889.43 : x
  2. Step 2: Convert to fraction form
    56,009.25/84,011.72 = 13,889.43/x
  3. Step 3: Cross multiply
    56,009.25x = 84,011.72 × 13,889.43
  4. Step 4: Simplify right side
    56,009.25x = 1,166,874,834.67
  5. Step 5: Solve for x
    x = 1,166,874,834.67/56,009.25
  6. Step 6: Final answer
    x = 20,833.61

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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.