Home / 19,238.12-28,862.30-6,090.76

Finding the Fourth Proportional to 19,238.12, 28,862.30 and 6,090.76

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Solution

The fourth proportional to 19,238.12, 28,862.30 and 6,090.76 is: 9,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.12 : 28,862.30 = 6,090.76 : x
  2. Step 2: Convert to fraction form
    19,238.12/28,862.30 = 6,090.76/x
  3. Step 3: Cross multiply
    19,238.12x = 28,862.30 × 6,090.76
  4. Step 4: Simplify right side
    19,238.12x = 175,793,342.35
  5. Step 5: Solve for x
    x = 175,793,342.35/19,238.12
  6. Step 6: Final answer
    x = 9,137.76

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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.