Home / 14,264.40-19,684.50-7,890.83

Finding the Fourth Proportional to 14,264.40, 19,684.50 and 7,890.83

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Solution

The fourth proportional to 14,264.40, 19,684.50 and 7,890.83 is: 10,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.40 : 19,684.50 = 7,890.83 : x
  2. Step 2: Convert to fraction form
    14,264.40/19,684.50 = 7,890.83/x
  3. Step 3: Cross multiply
    14,264.40x = 19,684.50 × 7,890.83
  4. Step 4: Simplify right side
    14,264.40x = 155,326,944.71
  5. Step 5: Solve for x
    x = 155,326,944.71/14,264.40
  6. Step 6: Final answer
    x = 10,889.13

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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.