Home / 11,005.22-16,492.29-8,528.45

Finding the Fourth Proportional to 11,005.22, 16,492.29 and 8,528.45

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Solution

The fourth proportional to 11,005.22, 16,492.29 and 8,528.45 is: 12,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.22 : 16,492.29 = 8,528.45 : x
  2. Step 2: Convert to fraction form
    11,005.22/16,492.29 = 8,528.45/x
  3. Step 3: Cross multiply
    11,005.22x = 16,492.29 × 8,528.45
  4. Step 4: Simplify right side
    11,005.22x = 140,653,588.19
  5. Step 5: Solve for x
    x = 140,653,588.19/11,005.22
  6. Step 6: Final answer
    x = 12,780.63

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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.