Home / 15,864.44-21,898.41-9,152.73

Finding the Fourth Proportional to 15,864.44, 21,898.41 and 9,152.73

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Solution

The fourth proportional to 15,864.44, 21,898.41 and 9,152.73 is: 12,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,864.44 : 21,898.41 = 9,152.73 : x
  2. Step 2: Convert to fraction form
    15,864.44/21,898.41 = 9,152.73/x
  3. Step 3: Cross multiply
    15,864.44x = 21,898.41 × 9,152.73
  4. Step 4: Simplify right side
    15,864.44x = 200,430,281.96
  5. Step 5: Solve for x
    x = 200,430,281.96/15,864.44
  6. Step 6: Final answer
    x = 12,633.94

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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.