Home / 14,347.89-21,516.71-4,985.64

Finding the Fourth Proportional to 14,347.89, 21,516.71 and 4,985.64

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Solution

The fourth proportional to 14,347.89, 21,516.71 and 4,985.64 is: 7,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.89 : 21,516.71 = 4,985.64 : x
  2. Step 2: Convert to fraction form
    14,347.89/21,516.71 = 4,985.64/x
  3. Step 3: Cross multiply
    14,347.89x = 21,516.71 × 4,985.64
  4. Step 4: Simplify right side
    14,347.89x = 107,274,545.12
  5. Step 5: Solve for x
    x = 107,274,545.12/14,347.89
  6. Step 6: Final answer
    x = 7,476.68

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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.