Home / 12,315.37-16,995.11-6,726.25

Finding the Fourth Proportional to 12,315.37, 16,995.11 and 6,726.25

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Solution

The fourth proportional to 12,315.37, 16,995.11 and 6,726.25 is: 9,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315.37 : 16,995.11 = 6,726.25 : x
  2. Step 2: Convert to fraction form
    12,315.37/16,995.11 = 6,726.25/x
  3. Step 3: Cross multiply
    12,315.37x = 16,995.11 × 6,726.25
  4. Step 4: Simplify right side
    12,315.37x = 114,313,325.01
  5. Step 5: Solve for x
    x = 114,313,325.01/12,315.37
  6. Step 6: Final answer
    x = 9,282.17

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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.