Home / 14,223.62-21,332.94-6,430.58

Finding the Fourth Proportional to 14,223.62, 21,332.94 and 6,430.58

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Solution

The fourth proportional to 14,223.62, 21,332.94 and 6,430.58 is: 9,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.62 : 21,332.94 = 6,430.58 : x
  2. Step 2: Convert to fraction form
    14,223.62/21,332.94 = 6,430.58/x
  3. Step 3: Cross multiply
    14,223.62x = 21,332.94 × 6,430.58
  4. Step 4: Simplify right side
    14,223.62x = 137,183,177.31
  5. Step 5: Solve for x
    x = 137,183,177.31/14,223.62
  6. Step 6: Final answer
    x = 9,644.74

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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.