Home / 12,208.32-18,297.90-9,613.08

Finding the Fourth Proportional to 12,208.32, 18,297.90 and 9,613.08

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Solution

The fourth proportional to 12,208.32, 18,297.90 and 9,613.08 is: 14,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.32 : 18,297.90 = 9,613.08 : x
  2. Step 2: Convert to fraction form
    12,208.32/18,297.90 = 9,613.08/x
  3. Step 3: Cross multiply
    12,208.32x = 18,297.90 × 9,613.08
  4. Step 4: Simplify right side
    12,208.32x = 175,899,176.53
  5. Step 5: Solve for x
    x = 175,899,176.53/12,208.32
  6. Step 6: Final answer
    x = 14,408.14

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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.