Home / 19,577.20-29,359.65-6,426.58

Finding the Fourth Proportional to 19,577.20, 29,359.65 and 6,426.58

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Solution

The fourth proportional to 19,577.20, 29,359.65 and 6,426.58 is: 9,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.20 : 29,359.65 = 6,426.58 : x
  2. Step 2: Convert to fraction form
    19,577.20/29,359.65 = 6,426.58/x
  3. Step 3: Cross multiply
    19,577.20x = 29,359.65 × 6,426.58
  4. Step 4: Simplify right side
    19,577.20x = 188,682,139.50
  5. Step 5: Solve for x
    x = 188,682,139.50/19,577.20
  6. Step 6: Final answer
    x = 9,637.85

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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.