Home / 10,553.74-15,824.75-4,318.13

Finding the Fourth Proportional to 10,553.74, 15,824.75 and 4,318.13

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Solution

The fourth proportional to 10,553.74, 15,824.75 and 4,318.13 is: 6,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.74 : 15,824.75 = 4,318.13 : x
  2. Step 2: Convert to fraction form
    10,553.74/15,824.75 = 4,318.13/x
  3. Step 3: Cross multiply
    10,553.74x = 15,824.75 × 4,318.13
  4. Step 4: Simplify right side
    10,553.74x = 68,333,327.72
  5. Step 5: Solve for x
    x = 68,333,327.72/10,553.74
  6. Step 6: Final answer
    x = 6,474.80

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1.5x scale

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.