Home / 14,011.24-21,009.70-4,647.88

Finding the Fourth Proportional to 14,011.24, 21,009.70 and 4,647.88

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Solution

The fourth proportional to 14,011.24, 21,009.70 and 4,647.88 is: 6,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.24 : 21,009.70 = 4,647.88 : x
  2. Step 2: Convert to fraction form
    14,011.24/21,009.70 = 4,647.88/x
  3. Step 3: Cross multiply
    14,011.24x = 21,009.70 × 4,647.88
  4. Step 4: Simplify right side
    14,011.24x = 97,650,564.44
  5. Step 5: Solve for x
    x = 97,650,564.44/14,011.24
  6. Step 6: Final answer
    x = 6,969.44

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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.