Home / 12,277.70-18,416.55-10,607.30

Finding the Fourth Proportional to 12,277.70, 18,416.55 and 10,607.30

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Solution

The fourth proportional to 12,277.70, 18,416.55 and 10,607.30 is: 15,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.70 : 18,416.55 = 10,607.30 : x
  2. Step 2: Convert to fraction form
    12,277.70/18,416.55 = 10,607.30/x
  3. Step 3: Cross multiply
    12,277.70x = 18,416.55 × 10,607.30
  4. Step 4: Simplify right side
    12,277.70x = 195,349,870.82
  5. Step 5: Solve for x
    x = 195,349,870.82/12,277.70
  6. Step 6: Final answer
    x = 15,910.95

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Similar ratio
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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.