Home / 19,728.65-29,567.05-9,343.37

Finding the Fourth Proportional to 19,728.65, 29,567.05 and 9,343.37

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Solution

The fourth proportional to 19,728.65, 29,567.05 and 9,343.37 is: 14,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.65 : 29,567.05 = 9,343.37 : x
  2. Step 2: Convert to fraction form
    19,728.65/29,567.05 = 9,343.37/x
  3. Step 3: Cross multiply
    19,728.65x = 29,567.05 × 9,343.37
  4. Step 4: Simplify right side
    19,728.65x = 276,255,887.96
  5. Step 5: Solve for x
    x = 276,255,887.96/19,728.65
  6. Step 6: Final answer
    x = 14,002.78

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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.