Home / 14,329.44-21,485.53-6,430.50

Finding the Fourth Proportional to 14,329.44, 21,485.53 and 6,430.50

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Solution

The fourth proportional to 14,329.44, 21,485.53 and 6,430.50 is: 9,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.44 : 21,485.53 = 6,430.50 : x
  2. Step 2: Convert to fraction form
    14,329.44/21,485.53 = 6,430.50/x
  3. Step 3: Cross multiply
    14,329.44x = 21,485.53 × 6,430.50
  4. Step 4: Simplify right side
    14,329.44x = 138,162,700.67
  5. Step 5: Solve for x
    x = 138,162,700.67/14,329.44
  6. Step 6: Final answer
    x = 9,641.88

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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.