Home / 14,223.87-21,306.60-11,435.49

Finding the Fourth Proportional to 14,223.87, 21,306.60 and 11,435.49

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Solution

The fourth proportional to 14,223.87, 21,306.60 and 11,435.49 is: 17,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.87 : 21,306.60 = 11,435.49 : x
  2. Step 2: Convert to fraction form
    14,223.87/21,306.60 = 11,435.49/x
  3. Step 3: Cross multiply
    14,223.87x = 21,306.60 × 11,435.49
  4. Step 4: Simplify right side
    14,223.87x = 243,651,411.23
  5. Step 5: Solve for x
    x = 243,651,411.23/14,223.87
  6. Step 6: Final answer
    x = 17,129.76

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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.