Home / 10,666.06-15,999.33-8,476.33

Finding the Fourth Proportional to 10,666.06, 15,999.33 and 8,476.33

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Solution

The fourth proportional to 10,666.06, 15,999.33 and 8,476.33 is: 12,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.06 : 15,999.33 = 8,476.33 : x
  2. Step 2: Convert to fraction form
    10,666.06/15,999.33 = 8,476.33/x
  3. Step 3: Cross multiply
    10,666.06x = 15,999.33 × 8,476.33
  4. Step 4: Simplify right side
    10,666.06x = 135,615,600.86
  5. Step 5: Solve for x
    x = 135,615,600.86/10,666.06
  6. Step 6: Final answer
    x = 12,714.69

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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.