Home / 12,937.24-19,399.71-5,915.17

Finding the Fourth Proportional to 12,937.24, 19,399.71 and 5,915.17

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Solution

The fourth proportional to 12,937.24, 19,399.71 and 5,915.17 is: 8,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.24 : 19,399.71 = 5,915.17 : x
  2. Step 2: Convert to fraction form
    12,937.24/19,399.71 = 5,915.17/x
  3. Step 3: Cross multiply
    12,937.24x = 19,399.71 × 5,915.17
  4. Step 4: Simplify right side
    12,937.24x = 114,752,485.60
  5. Step 5: Solve for x
    x = 114,752,485.60/12,937.24
  6. Step 6: Final answer
    x = 8,869.94

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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.