Home / 14,257.97-21,355.80-7,225.91

Finding the Fourth Proportional to 14,257.97, 21,355.80 and 7,225.91

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Solution

The fourth proportional to 14,257.97, 21,355.80 and 7,225.91 is: 10,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.97 : 21,355.80 = 7,225.91 : x
  2. Step 2: Convert to fraction form
    14,257.97/21,355.80 = 7,225.91/x
  3. Step 3: Cross multiply
    14,257.97x = 21,355.80 × 7,225.91
  4. Step 4: Simplify right side
    14,257.97x = 154,314,982.00
  5. Step 5: Solve for x
    x = 154,314,982.00/14,257.97
  6. Step 6: Final answer
    x = 10,823.07

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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.