Home / 12,607.04-18,919.06-9,489.35

Finding the Fourth Proportional to 12,607.04, 18,919.06 and 9,489.35

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Solution

The fourth proportional to 12,607.04, 18,919.06 and 9,489.35 is: 14,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.04 : 18,919.06 = 9,489.35 : x
  2. Step 2: Convert to fraction form
    12,607.04/18,919.06 = 9,489.35/x
  3. Step 3: Cross multiply
    12,607.04x = 18,919.06 × 9,489.35
  4. Step 4: Simplify right side
    12,607.04x = 179,529,582.01
  5. Step 5: Solve for x
    x = 179,529,582.01/12,607.04
  6. Step 6: Final answer
    x = 14,240.42

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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.