Home / 19,976.20-29,954.72-9,437.45

Finding the Fourth Proportional to 19,976.20, 29,954.72 and 9,437.45

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Solution

The fourth proportional to 19,976.20, 29,954.72 and 9,437.45 is: 14,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.20 : 29,954.72 = 9,437.45 : x
  2. Step 2: Convert to fraction form
    19,976.20/29,954.72 = 9,437.45/x
  3. Step 3: Cross multiply
    19,976.20x = 29,954.72 × 9,437.45
  4. Step 4: Simplify right side
    19,976.20x = 282,696,046.08
  5. Step 5: Solve for x
    x = 282,696,046.08/19,976.20
  6. Step 6: Final answer
    x = 14,151.64

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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.