Home / 14,230.89-21,346.38-6,430.59

Finding the Fourth Proportional to 14,230.89, 21,346.38 and 6,430.59

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Solution

The fourth proportional to 14,230.89, 21,346.38 and 6,430.59 is: 9,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.89 : 21,346.38 = 6,430.59 : x
  2. Step 2: Convert to fraction form
    14,230.89/21,346.38 = 6,430.59/x
  3. Step 3: Cross multiply
    14,230.89x = 21,346.38 × 6,430.59
  4. Step 4: Simplify right side
    14,230.89x = 137,269,817.76
  5. Step 5: Solve for x
    x = 137,269,817.76/14,230.89
  6. Step 6: Final answer
    x = 9,645.91

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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.