Home / 9,440.60-14,215.78-6,992.78

Finding the Fourth Proportional to 9,440.60, 14,215.78 and 6,992.78

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Solution

The fourth proportional to 9,440.60, 14,215.78 and 6,992.78 is: 10,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.60 : 14,215.78 = 6,992.78 : x
  2. Step 2: Convert to fraction form
    9,440.60/14,215.78 = 6,992.78/x
  3. Step 3: Cross multiply
    9,440.60x = 14,215.78 × 6,992.78
  4. Step 4: Simplify right side
    9,440.60x = 99,407,822.07
  5. Step 5: Solve for x
    x = 99,407,822.07/9,440.60
  6. Step 6: Final answer
    x = 10,529.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.