Home / 9,845.28-13,579.92-7,852.32

Finding the Fourth Proportional to 9,845.28, 13,579.92 and 7,852.32

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Solution

The fourth proportional to 9,845.28, 13,579.92 and 7,852.32 is: 10,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.28 : 13,579.92 = 7,852.32 : x
  2. Step 2: Convert to fraction form
    9,845.28/13,579.92 = 7,852.32/x
  3. Step 3: Cross multiply
    9,845.28x = 13,579.92 × 7,852.32
  4. Step 4: Simplify right side
    9,845.28x = 106,633,877.41
  5. Step 5: Solve for x
    x = 106,633,877.41/9,845.28
  6. Step 6: Final answer
    x = 10,830.96

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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.