Home / 12,412.28-18,618.66-4,619.52

Finding the Fourth Proportional to 12,412.28, 18,618.66 and 4,619.52

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Solution

The fourth proportional to 12,412.28, 18,618.66 and 4,619.52 is: 6,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412.28 : 18,618.66 = 4,619.52 : x
  2. Step 2: Convert to fraction form
    12,412.28/18,618.66 = 4,619.52/x
  3. Step 3: Cross multiply
    12,412.28x = 18,618.66 × 4,619.52
  4. Step 4: Simplify right side
    12,412.28x = 86,009,272.24
  5. Step 5: Solve for x
    x = 86,009,272.24/12,412.28
  6. Step 6: Final answer
    x = 6,929.37

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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.