Home / 14,264.12-19,684.10-7,890.98

Finding the Fourth Proportional to 14,264.12, 19,684.10 and 7,890.98

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Solution

The fourth proportional to 14,264.12, 19,684.10 and 7,890.98 is: 10,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.12 : 19,684.10 = 7,890.98 : x
  2. Step 2: Convert to fraction form
    14,264.12/19,684.10 = 7,890.98/x
  3. Step 3: Cross multiply
    14,264.12x = 19,684.10 × 7,890.98
  4. Step 4: Simplify right side
    14,264.12x = 155,326,701.54
  5. Step 5: Solve for x
    x = 155,326,701.54/14,264.12
  6. Step 6: Final answer
    x = 10,889.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.