Home / 14,429.83-21,605.65-7,489.75

Finding the Fourth Proportional to 14,429.83, 21,605.65 and 7,489.75

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Solution

The fourth proportional to 14,429.83, 21,605.65 and 7,489.75 is: 11,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.83 : 21,605.65 = 7,489.75 : x
  2. Step 2: Convert to fraction form
    14,429.83/21,605.65 = 7,489.75/x
  3. Step 3: Cross multiply
    14,429.83x = 21,605.65 × 7,489.75
  4. Step 4: Simplify right side
    14,429.83x = 161,820,925.37
  5. Step 5: Solve for x
    x = 161,820,925.37/14,429.83
  6. Step 6: Final answer
    x = 11,214.33

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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.