Home / 11,214.63-16,821.90-4,973.16

Finding the Fourth Proportional to 11,214.63, 16,821.90 and 4,973.16

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Solution

The fourth proportional to 11,214.63, 16,821.90 and 4,973.16 is: 7,459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.63 : 16,821.90 = 4,973.16 : x
  2. Step 2: Convert to fraction form
    11,214.63/16,821.90 = 4,973.16/x
  3. Step 3: Cross multiply
    11,214.63x = 16,821.90 × 4,973.16
  4. Step 4: Simplify right side
    11,214.63x = 83,658,000.20
  5. Step 5: Solve for x
    x = 83,658,000.20/11,214.63
  6. Step 6: Final answer
    x = 7,459.72

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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.