Home / 12,867.30-19,301.58-4,102.83

Finding the Fourth Proportional to 12,867.30, 19,301.58 and 4,102.83

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Solution

The fourth proportional to 12,867.30, 19,301.58 and 4,102.83 is: 6,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.30 : 19,301.58 = 4,102.83 : x
  2. Step 2: Convert to fraction form
    12,867.30/19,301.58 = 4,102.83/x
  3. Step 3: Cross multiply
    12,867.30x = 19,301.58 × 4,102.83
  4. Step 4: Simplify right side
    12,867.30x = 79,191,101.47
  5. Step 5: Solve for x
    x = 79,191,101.47/12,867.30
  6. Step 6: Final answer
    x = 6,154.45

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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.