Home / 13,217.73-19,828.47-4,331.15

Finding the Fourth Proportional to 13,217.73, 19,828.47 and 4,331.15

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Solution

The fourth proportional to 13,217.73, 19,828.47 and 4,331.15 is: 6,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.73 : 19,828.47 = 4,331.15 : x
  2. Step 2: Convert to fraction form
    13,217.73/19,828.47 = 4,331.15/x
  3. Step 3: Cross multiply
    13,217.73x = 19,828.47 × 4,331.15
  4. Step 4: Simplify right side
    13,217.73x = 85,880,126.82
  5. Step 5: Solve for x
    x = 85,880,126.82/13,217.73
  6. Step 6: Final answer
    x = 6,497.35

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1.5x scale

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.