Home / 11,130.51-16,693.04-4,892.10

Finding the Fourth Proportional to 11,130.51, 16,693.04 and 4,892.10

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Solution

The fourth proportional to 11,130.51, 16,693.04 and 4,892.10 is: 7,336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.51 : 16,693.04 = 4,892.10 : x
  2. Step 2: Convert to fraction form
    11,130.51/16,693.04 = 4,892.10/x
  3. Step 3: Cross multiply
    11,130.51x = 16,693.04 × 4,892.10
  4. Step 4: Simplify right side
    11,130.51x = 81,663,943.10
  5. Step 5: Solve for x
    x = 81,663,943.10/11,130.51
  6. Step 6: Final answer
    x = 7,336.94

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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.