Home / 14,460.40-21,705.18-9,765.64

Finding the Fourth Proportional to 14,460.40, 21,705.18 and 9,765.64

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Solution

The fourth proportional to 14,460.40, 21,705.18 and 9,765.64 is: 14,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,460.40 : 21,705.18 = 9,765.64 : x
  2. Step 2: Convert to fraction form
    14,460.40/21,705.18 = 9,765.64/x
  3. Step 3: Cross multiply
    14,460.40x = 21,705.18 × 9,765.64
  4. Step 4: Simplify right side
    14,460.40x = 211,964,974.02
  5. Step 5: Solve for x
    x = 211,964,974.02/14,460.40
  6. Step 6: Final answer
    x = 14,658.31

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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.