Home / 21,562.74-32,343.93-8,424.27

Finding the Fourth Proportional to 21,562.74, 32,343.93 and 8,424.27

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Solution

The fourth proportional to 21,562.74, 32,343.93 and 8,424.27 is: 12,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,562.74 : 32,343.93 = 8,424.27 : x
  2. Step 2: Convert to fraction form
    21,562.74/32,343.93 = 8,424.27/x
  3. Step 3: Cross multiply
    21,562.74x = 32,343.93 × 8,424.27
  4. Step 4: Simplify right side
    21,562.74x = 272,473,999.18
  5. Step 5: Solve for x
    x = 272,473,999.18/21,562.74
  6. Step 6: Final answer
    x = 12,636.33

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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.