Home / 12,328.21-18,492.32-11,259.01

Finding the Fourth Proportional to 12,328.21, 18,492.32 and 11,259.01

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Solution

The fourth proportional to 12,328.21, 18,492.32 and 11,259.01 is: 16,888.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.21 : 18,492.32 = 11,259.01 : x
  2. Step 2: Convert to fraction form
    12,328.21/18,492.32 = 11,259.01/x
  3. Step 3: Cross multiply
    12,328.21x = 18,492.32 × 11,259.01
  4. Step 4: Simplify right side
    12,328.21x = 208,205,215.80
  5. Step 5: Solve for x
    x = 208,205,215.80/12,328.21
  6. Step 6: Final answer
    x = 16,888.52

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Similar ratio
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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.