Home / 12,260.65-16,919.54-7,225.09

Finding the Fourth Proportional to 12,260.65, 16,919.54 and 7,225.09

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Solution

The fourth proportional to 12,260.65, 16,919.54 and 7,225.09 is: 9,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.65 : 16,919.54 = 7,225.09 : x
  2. Step 2: Convert to fraction form
    12,260.65/16,919.54 = 7,225.09/x
  3. Step 3: Cross multiply
    12,260.65x = 16,919.54 × 7,225.09
  4. Step 4: Simplify right side
    12,260.65x = 122,245,199.26
  5. Step 5: Solve for x
    x = 122,245,199.26/12,260.65
  6. Step 6: Final answer
    x = 9,970.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.