Home / 11,830.02-17,731.23-8,898.90

Finding the Fourth Proportional to 11,830.02, 17,731.23 and 8,898.90

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Solution

The fourth proportional to 11,830.02, 17,731.23 and 8,898.90 is: 13,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.02 : 17,731.23 = 8,898.90 : x
  2. Step 2: Convert to fraction form
    11,830.02/17,731.23 = 8,898.90/x
  3. Step 3: Cross multiply
    11,830.02x = 17,731.23 × 8,898.90
  4. Step 4: Simplify right side
    11,830.02x = 157,788,442.65
  5. Step 5: Solve for x
    x = 157,788,442.65/11,830.02
  6. Step 6: Final answer
    x = 13,337.97

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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.