Home / 14,277.75-19,711.94-9,318.39

Finding the Fourth Proportional to 14,277.75, 19,711.94 and 9,318.39

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Solution

The fourth proportional to 14,277.75, 19,711.94 and 9,318.39 is: 12,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.75 : 19,711.94 = 9,318.39 : x
  2. Step 2: Convert to fraction form
    14,277.75/19,711.94 = 9,318.39/x
  3. Step 3: Cross multiply
    14,277.75x = 19,711.94 × 9,318.39
  4. Step 4: Simplify right side
    14,277.75x = 183,683,497.98
  5. Step 5: Solve for x
    x = 183,683,497.98/14,277.75
  6. Step 6: Final answer
    x = 12,865.02

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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.