Home / 12,432.14-18,643.76-4,110.62

Finding the Fourth Proportional to 12,432.14, 18,643.76 and 4,110.62

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Solution

The fourth proportional to 12,432.14, 18,643.76 and 4,110.62 is: 6,164.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.14 : 18,643.76 = 4,110.62 : x
  2. Step 2: Convert to fraction form
    12,432.14/18,643.76 = 4,110.62/x
  3. Step 3: Cross multiply
    12,432.14x = 18,643.76 × 4,110.62
  4. Step 4: Simplify right side
    12,432.14x = 76,637,412.73
  5. Step 5: Solve for x
    x = 76,637,412.73/12,432.14
  6. Step 6: Final answer
    x = 6,164.46

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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.