Home / 12,518.08-17,269.20-8,483.47

Finding the Fourth Proportional to 12,518.08, 17,269.20 and 8,483.47

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Solution

The fourth proportional to 12,518.08, 17,269.20 and 8,483.47 is: 11,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.08 : 17,269.20 = 8,483.47 : x
  2. Step 2: Convert to fraction form
    12,518.08/17,269.20 = 8,483.47/x
  3. Step 3: Cross multiply
    12,518.08x = 17,269.20 × 8,483.47
  4. Step 4: Simplify right side
    12,518.08x = 146,502,696.95
  5. Step 5: Solve for x
    x = 146,502,696.95/12,518.08
  6. Step 6: Final answer
    x = 11,703.29

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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.