Home / 11,281.61-16,916.54-6,602.64

Finding the Fourth Proportional to 11,281.61, 16,916.54 and 6,602.64

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Solution

The fourth proportional to 11,281.61, 16,916.54 and 6,602.64 is: 9,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.61 : 16,916.54 = 6,602.64 : x
  2. Step 2: Convert to fraction form
    11,281.61/16,916.54 = 6,602.64/x
  3. Step 3: Cross multiply
    11,281.61x = 16,916.54 × 6,602.64
  4. Step 4: Simplify right side
    11,281.61x = 111,693,790.65
  5. Step 5: Solve for x
    x = 111,693,790.65/11,281.61
  6. Step 6: Final answer
    x = 9,900.52

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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.