Home / 13,963.19-19,270.10-7,995.65

Finding the Fourth Proportional to 13,963.19, 19,270.10 and 7,995.65

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Solution

The fourth proportional to 13,963.19, 19,270.10 and 7,995.65 is: 11,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.19 : 19,270.10 = 7,995.65 : x
  2. Step 2: Convert to fraction form
    13,963.19/19,270.10 = 7,995.65/x
  3. Step 3: Cross multiply
    13,963.19x = 19,270.10 × 7,995.65
  4. Step 4: Simplify right side
    13,963.19x = 154,076,898.70
  5. Step 5: Solve for x
    x = 154,076,898.70/13,963.19
  6. Step 6: Final answer
    x = 11,034.51

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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.