Home / 11,688.19-17,514.45-8,570.23

Finding the Fourth Proportional to 11,688.19, 17,514.45 and 8,570.23

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Solution

The fourth proportional to 11,688.19, 17,514.45 and 8,570.23 is: 12,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.19 : 17,514.45 = 8,570.23 : x
  2. Step 2: Convert to fraction form
    11,688.19/17,514.45 = 8,570.23/x
  3. Step 3: Cross multiply
    11,688.19x = 17,514.45 × 8,570.23
  4. Step 4: Simplify right side
    11,688.19x = 150,102,821.04
  5. Step 5: Solve for x
    x = 150,102,821.04/11,688.19
  6. Step 6: Final answer
    x = 12,842.27

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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.