Home / 14,283.66-19,711.50-7,910.43

Finding the Fourth Proportional to 14,283.66, 19,711.50 and 7,910.43

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Solution

The fourth proportional to 14,283.66, 19,711.50 and 7,910.43 is: 10,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.66 : 19,711.50 = 7,910.43 : x
  2. Step 2: Convert to fraction form
    14,283.66/19,711.50 = 7,910.43/x
  3. Step 3: Cross multiply
    14,283.66x = 19,711.50 × 7,910.43
  4. Step 4: Simplify right side
    14,283.66x = 155,926,440.95
  5. Step 5: Solve for x
    x = 155,926,440.95/14,283.66
  6. Step 6: Final answer
    x = 10,916.42

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1.5x scale

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.