Home / 21,999.42-32,996.45-6,417.06

Finding the Fourth Proportional to 21,999.42, 32,996.45 and 6,417.06

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Solution

The fourth proportional to 21,999.42, 32,996.45 and 6,417.06 is: 9,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999.42 : 32,996.45 = 6,417.06 : x
  2. Step 2: Convert to fraction form
    21,999.42/32,996.45 = 6,417.06/x
  3. Step 3: Cross multiply
    21,999.42x = 32,996.45 × 6,417.06
  4. Step 4: Simplify right side
    21,999.42x = 211,740,199.44
  5. Step 5: Solve for x
    x = 211,740,199.44/21,999.42
  6. Step 6: Final answer
    x = 9,624.81

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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.