Home / 19,816.56-29,725.48-7,339.72

Finding the Fourth Proportional to 19,816.56, 29,725.48 and 7,339.72

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Solution

The fourth proportional to 19,816.56, 29,725.48 and 7,339.72 is: 11,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.56 : 29,725.48 = 7,339.72 : x
  2. Step 2: Convert to fraction form
    19,816.56/29,725.48 = 7,339.72/x
  3. Step 3: Cross multiply
    19,816.56x = 29,725.48 × 7,339.72
  4. Step 4: Simplify right side
    19,816.56x = 218,176,700.07
  5. Step 5: Solve for x
    x = 218,176,700.07/19,816.56
  6. Step 6: Final answer
    x = 11,009.82

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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.