Home / 9,905.48-14,867.50-5,228.96

Finding the Fourth Proportional to 9,905.48, 14,867.50 and 5,228.96

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Solution

The fourth proportional to 9,905.48, 14,867.50 and 5,228.96 is: 7,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.48 : 14,867.50 = 5,228.96 : x
  2. Step 2: Convert to fraction form
    9,905.48/14,867.50 = 5,228.96/x
  3. Step 3: Cross multiply
    9,905.48x = 14,867.50 × 5,228.96
  4. Step 4: Simplify right side
    9,905.48x = 77,741,562.80
  5. Step 5: Solve for x
    x = 77,741,562.80/9,905.48
  6. Step 6: Final answer
    x = 7,848.34

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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.