Home / 15,588.48-21,511.80-8,514.66

Finding the Fourth Proportional to 15,588.48, 21,511.80 and 8,514.66

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Solution

The fourth proportional to 15,588.48, 21,511.80 and 8,514.66 is: 11,750.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588.48 : 21,511.80 = 8,514.66 : x
  2. Step 2: Convert to fraction form
    15,588.48/21,511.80 = 8,514.66/x
  3. Step 3: Cross multiply
    15,588.48x = 21,511.80 × 8,514.66
  4. Step 4: Simplify right side
    15,588.48x = 183,165,662.99
  5. Step 5: Solve for x
    x = 183,165,662.99/15,588.48
  6. Step 6: Final answer
    x = 11,750.07

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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.