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Finding the Fourth Proportional to 22,046.59, 30,412.64 and 13,965.99

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Solution

The fourth proportional to 22,046.59, 30,412.64 and 13,965.99 is: 19,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,046.59 : 30,412.64 = 13,965.99 : x
  2. Step 2: Convert to fraction form
    22,046.59/30,412.64 = 13,965.99/x
  3. Step 3: Cross multiply
    22,046.59x = 30,412.64 × 13,965.99
  4. Step 4: Simplify right side
    22,046.59x = 424,742,652.49
  5. Step 5: Solve for x
    x = 424,742,652.49/22,046.59
  6. Step 6: Final answer
    x = 19,265.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.