Home / 11,395.50-15,726.33-6,427.50

Finding the Fourth Proportional to 11,395.50, 15,726.33 and 6,427.50

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Solution

The fourth proportional to 11,395.50, 15,726.33 and 6,427.50 is: 8,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.50 : 15,726.33 = 6,427.50 : x
  2. Step 2: Convert to fraction form
    11,395.50/15,726.33 = 6,427.50/x
  3. Step 3: Cross multiply
    11,395.50x = 15,726.33 × 6,427.50
  4. Step 4: Simplify right side
    11,395.50x = 101,080,986.08
  5. Step 5: Solve for x
    x = 101,080,986.08/11,395.50
  6. Step 6: Final answer
    x = 8,870.25

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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.