Home / 21,554.06-32,320.13-9,857.25

Finding the Fourth Proportional to 21,554.06, 32,320.13 and 9,857.25

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Solution

The fourth proportional to 21,554.06, 32,320.13 and 9,857.25 is: 14,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.06 : 32,320.13 = 9,857.25 : x
  2. Step 2: Convert to fraction form
    21,554.06/32,320.13 = 9,857.25/x
  3. Step 3: Cross multiply
    21,554.06x = 32,320.13 × 9,857.25
  4. Step 4: Simplify right side
    21,554.06x = 318,587,552.16
  5. Step 5: Solve for x
    x = 318,587,552.16/21,554.06
  6. Step 6: Final answer
    x = 14,780.86

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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.