Home / 13,318.48-19,977.72-4,553.47

Finding the Fourth Proportional to 13,318.48, 19,977.72 and 4,553.47

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Solution

The fourth proportional to 13,318.48, 19,977.72 and 4,553.47 is: 6,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.48 : 19,977.72 = 4,553.47 : x
  2. Step 2: Convert to fraction form
    13,318.48/19,977.72 = 4,553.47/x
  3. Step 3: Cross multiply
    13,318.48x = 19,977.72 × 4,553.47
  4. Step 4: Simplify right side
    13,318.48x = 90,967,948.69
  5. Step 5: Solve for x
    x = 90,967,948.69/13,318.48
  6. Step 6: Final answer
    x = 6,830.21

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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.