Home / 14,391.61-21,551.37-9,110.68

Finding the Fourth Proportional to 14,391.61, 21,551.37 and 9,110.68

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Solution

The fourth proportional to 14,391.61, 21,551.37 and 9,110.68 is: 13,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.61 : 21,551.37 = 9,110.68 : x
  2. Step 2: Convert to fraction form
    14,391.61/21,551.37 = 9,110.68/x
  3. Step 3: Cross multiply
    14,391.61x = 21,551.37 × 9,110.68
  4. Step 4: Simplify right side
    14,391.61x = 196,347,635.63
  5. Step 5: Solve for x
    x = 196,347,635.63/14,391.61
  6. Step 6: Final answer
    x = 13,643.20

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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.