Home / 15,476.46-21,358.35-8,762.37

Finding the Fourth Proportional to 15,476.46, 21,358.35 and 8,762.37

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Solution

The fourth proportional to 15,476.46, 21,358.35 and 8,762.37 is: 12,092.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.46 : 21,358.35 = 8,762.37 : x
  2. Step 2: Convert to fraction form
    15,476.46/21,358.35 = 8,762.37/x
  3. Step 3: Cross multiply
    15,476.46x = 21,358.35 × 8,762.37
  4. Step 4: Simplify right side
    15,476.46x = 187,149,765.29
  5. Step 5: Solve for x
    x = 187,149,765.29/15,476.46
  6. Step 6: Final answer
    x = 12,092.54

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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.