Home / 14,340.30-21,520.16-6,554.58

Finding the Fourth Proportional to 14,340.30, 21,520.16 and 6,554.58

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Solution

The fourth proportional to 14,340.30, 21,520.16 and 6,554.58 is: 9,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.30 : 21,520.16 = 6,554.58 : x
  2. Step 2: Convert to fraction form
    14,340.30/21,520.16 = 6,554.58/x
  3. Step 3: Cross multiply
    14,340.30x = 21,520.16 × 6,554.58
  4. Step 4: Simplify right side
    14,340.30x = 141,055,610.33
  5. Step 5: Solve for x
    x = 141,055,610.33/14,340.30
  6. Step 6: Final answer
    x = 9,836.31

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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.