Home / 12,252.36-16,905.30-7,774.50

Finding the Fourth Proportional to 12,252.36, 16,905.30 and 7,774.50

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Solution

The fourth proportional to 12,252.36, 16,905.30 and 7,774.50 is: 10,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.36 : 16,905.30 = 7,774.50 : x
  2. Step 2: Convert to fraction form
    12,252.36/16,905.30 = 7,774.50/x
  3. Step 3: Cross multiply
    12,252.36x = 16,905.30 × 7,774.50
  4. Step 4: Simplify right side
    12,252.36x = 131,430,254.85
  5. Step 5: Solve for x
    x = 131,430,254.85/12,252.36
  6. Step 6: Final answer
    x = 10,726.93

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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.