Home / 19,976.85-29,957.48-7,490.06

Finding the Fourth Proportional to 19,976.85, 29,957.48 and 7,490.06

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Solution

The fourth proportional to 19,976.85, 29,957.48 and 7,490.06 is: 11,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.85 : 29,957.48 = 7,490.06 : x
  2. Step 2: Convert to fraction form
    19,976.85/29,957.48 = 7,490.06/x
  3. Step 3: Cross multiply
    19,976.85x = 29,957.48 × 7,490.06
  4. Step 4: Simplify right side
    19,976.85x = 224,383,322.65
  5. Step 5: Solve for x
    x = 224,383,322.65/19,976.85
  6. Step 6: Final answer
    x = 11,232.17

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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.