Home / 19,458.27-29,174.08-6,978.03

Finding the Fourth Proportional to 19,458.27, 29,174.08 and 6,978.03

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Solution

The fourth proportional to 19,458.27, 29,174.08 and 6,978.03 is: 10,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.27 : 29,174.08 = 6,978.03 : x
  2. Step 2: Convert to fraction form
    19,458.27/29,174.08 = 6,978.03/x
  3. Step 3: Cross multiply
    19,458.27x = 29,174.08 × 6,978.03
  4. Step 4: Simplify right side
    19,458.27x = 203,577,588.02
  5. Step 5: Solve for x
    x = 203,577,588.02/19,458.27
  6. Step 6: Final answer
    x = 10,462.26

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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.