Home / 9,327.44-14,018.79-8,639.93

Finding the Fourth Proportional to 9,327.44, 14,018.79 and 8,639.93

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Solution

The fourth proportional to 9,327.44, 14,018.79 and 8,639.93 is: 12,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.44 : 14,018.79 = 8,639.93 : x
  2. Step 2: Convert to fraction form
    9,327.44/14,018.79 = 8,639.93/x
  3. Step 3: Cross multiply
    9,327.44x = 14,018.79 × 8,639.93
  4. Step 4: Simplify right side
    9,327.44x = 121,121,364.28
  5. Step 5: Solve for x
    x = 121,121,364.28/9,327.44
  6. Step 6: Final answer
    x = 12,985.49

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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.