Home / 11,270.34-16,822.89-10,459.53

Finding the Fourth Proportional to 11,270.34, 16,822.89 and 10,459.53

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Solution

The fourth proportional to 11,270.34, 16,822.89 and 10,459.53 is: 15,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.34 : 16,822.89 = 10,459.53 : x
  2. Step 2: Convert to fraction form
    11,270.34/16,822.89 = 10,459.53/x
  3. Step 3: Cross multiply
    11,270.34x = 16,822.89 × 10,459.53
  4. Step 4: Simplify right side
    11,270.34x = 175,959,522.64
  5. Step 5: Solve for x
    x = 175,959,522.64/11,270.34
  6. Step 6: Final answer
    x = 15,612.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.