Home / 12,860.46-19,287.76-6,193.55

Finding the Fourth Proportional to 12,860.46, 19,287.76 and 6,193.55

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Solution

The fourth proportional to 12,860.46, 19,287.76 and 6,193.55 is: 9,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.46 : 19,287.76 = 6,193.55 : x
  2. Step 2: Convert to fraction form
    12,860.46/19,287.76 = 6,193.55/x
  3. Step 3: Cross multiply
    12,860.46x = 19,287.76 × 6,193.55
  4. Step 4: Simplify right side
    12,860.46x = 119,459,750.30
  5. Step 5: Solve for x
    x = 119,459,750.30/12,860.46
  6. Step 6: Final answer
    x = 9,288.92

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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.