Home / 10,511.72-14,492.70-8,616.44

Finding the Fourth Proportional to 10,511.72, 14,492.70 and 8,616.44

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Solution

The fourth proportional to 10,511.72, 14,492.70 and 8,616.44 is: 11,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.72 : 14,492.70 = 8,616.44 : x
  2. Step 2: Convert to fraction form
    10,511.72/14,492.70 = 8,616.44/x
  3. Step 3: Cross multiply
    10,511.72x = 14,492.70 × 8,616.44
  4. Step 4: Simplify right side
    10,511.72x = 124,875,479.99
  5. Step 5: Solve for x
    x = 124,875,479.99/10,511.72
  6. Step 6: Final answer
    x = 11,879.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.