Home / 19,949.32-29,870.46-11,159.20

Finding the Fourth Proportional to 19,949.32, 29,870.46 and 11,159.20

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Solution

The fourth proportional to 19,949.32, 29,870.46 and 11,159.20 is: 16,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.32 : 29,870.46 = 11,159.20 : x
  2. Step 2: Convert to fraction form
    19,949.32/29,870.46 = 11,159.20/x
  3. Step 3: Cross multiply
    19,949.32x = 29,870.46 × 11,159.20
  4. Step 4: Simplify right side
    19,949.32x = 333,330,437.23
  5. Step 5: Solve for x
    x = 333,330,437.23/19,949.32
  6. Step 6: Final answer
    x = 16,708.86

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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.