Home / 11,929.18-16,462.02-6,623.68

Finding the Fourth Proportional to 11,929.18, 16,462.02 and 6,623.68

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Solution

The fourth proportional to 11,929.18, 16,462.02 and 6,623.68 is: 9,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.18 : 16,462.02 = 6,623.68 : x
  2. Step 2: Convert to fraction form
    11,929.18/16,462.02 = 6,623.68/x
  3. Step 3: Cross multiply
    11,929.18x = 16,462.02 × 6,623.68
  4. Step 4: Simplify right side
    11,929.18x = 109,039,152.63
  5. Step 5: Solve for x
    x = 109,039,152.63/11,929.18
  6. Step 6: Final answer
    x = 9,140.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.