Home / 19,412.10-29,120.40-6,265.80

Finding the Fourth Proportional to 19,412.10, 29,120.40 and 6,265.80

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Solution

The fourth proportional to 19,412.10, 29,120.40 and 6,265.80 is: 9,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.10 : 29,120.40 = 6,265.80 : x
  2. Step 2: Convert to fraction form
    19,412.10/29,120.40 = 6,265.80/x
  3. Step 3: Cross multiply
    19,412.10x = 29,120.40 × 6,265.80
  4. Step 4: Simplify right side
    19,412.10x = 182,462,602.32
  5. Step 5: Solve for x
    x = 182,462,602.32/19,412.10
  6. Step 6: Final answer
    x = 9,399.43

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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.