Home / 14,420.43-21,641.58-9,729.32

Finding the Fourth Proportional to 14,420.43, 21,641.58 and 9,729.32

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Solution

The fourth proportional to 14,420.43, 21,641.58 and 9,729.32 is: 14,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.43 : 21,641.58 = 9,729.32 : x
  2. Step 2: Convert to fraction form
    14,420.43/21,641.58 = 9,729.32/x
  3. Step 3: Cross multiply
    14,420.43x = 21,641.58 × 9,729.32
  4. Step 4: Simplify right side
    14,420.43x = 210,557,748.92
  5. Step 5: Solve for x
    x = 210,557,748.92/14,420.43
  6. Step 6: Final answer
    x = 14,601.35

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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.