Home / 16,435.79-24,643.80-6,428.61

Finding the Fourth Proportional to 16,435.79, 24,643.80 and 6,428.61

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Solution

The fourth proportional to 16,435.79, 24,643.80 and 6,428.61 is: 9,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,435.79 : 24,643.80 = 6,428.61 : x
  2. Step 2: Convert to fraction form
    16,435.79/24,643.80 = 6,428.61/x
  3. Step 3: Cross multiply
    16,435.79x = 24,643.80 × 6,428.61
  4. Step 4: Simplify right side
    16,435.79x = 158,425,379.12
  5. Step 5: Solve for x
    x = 158,425,379.12/16,435.79
  6. Step 6: Final answer
    x = 9,639.05

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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.