Home / 14,387.03-21,551.84-11,430.49

Finding the Fourth Proportional to 14,387.03, 21,551.84 and 11,430.49

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Solution

The fourth proportional to 14,387.03, 21,551.84 and 11,430.49 is: 17,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.03 : 21,551.84 = 11,430.49 : x
  2. Step 2: Convert to fraction form
    14,387.03/21,551.84 = 11,430.49/x
  3. Step 3: Cross multiply
    14,387.03x = 21,551.84 × 11,430.49
  4. Step 4: Simplify right side
    14,387.03x = 246,347,983.84
  5. Step 5: Solve for x
    x = 246,347,983.84/14,387.03
  6. Step 6: Final answer
    x = 17,122.92

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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.