Home / 14,484.30-21,742.65-11,211.90

Finding the Fourth Proportional to 14,484.30, 21,742.65 and 11,211.90

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Solution

The fourth proportional to 14,484.30, 21,742.65 and 11,211.90 is: 16,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.30 : 21,742.65 = 11,211.90 : x
  2. Step 2: Convert to fraction form
    14,484.30/21,742.65 = 11,211.90/x
  3. Step 3: Cross multiply
    14,484.30x = 21,742.65 × 11,211.90
  4. Step 4: Simplify right side
    14,484.30x = 243,776,417.54
  5. Step 5: Solve for x
    x = 243,776,417.54/14,484.30
  6. Step 6: Final answer
    x = 16,830.39

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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.