Home / 14,738.72-20,333.86-9,432.68

Finding the Fourth Proportional to 14,738.72, 20,333.86 and 9,432.68

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Solution

The fourth proportional to 14,738.72, 20,333.86 and 9,432.68 is: 13,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.72 : 20,333.86 = 9,432.68 : x
  2. Step 2: Convert to fraction form
    14,738.72/20,333.86 = 9,432.68/x
  3. Step 3: Cross multiply
    14,738.72x = 20,333.86 × 9,432.68
  4. Step 4: Simplify right side
    14,738.72x = 191,802,794.54
  5. Step 5: Solve for x
    x = 191,802,794.54/14,738.72
  6. Step 6: Final answer
    x = 13,013.53

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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.